Home / 816,947.40-1,225,421.10-606,995.40

Finding the Fourth Proportional to 816,947.40, 1,225,421.10 and 606,995.40

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Solution

The fourth proportional to 816,947.40, 1,225,421.10 and 606,995.40 is: 910,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,947.40 : 1,225,421.10 = 606,995.40 : x
  2. Step 2: Convert to fraction form
    816,947.40/1,225,421.10 = 606,995.40/x
  3. Step 3: Cross multiply
    816,947.40x = 1,225,421.10 × 606,995.40
  4. Step 4: Simplify right side
    816,947.40x = 743,824,970,762.94
  5. Step 5: Solve for x
    x = 743,824,970,762.94/816,947.40
  6. Step 6: Final answer
    x = 910,493.10

Related Problems

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Half scale
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Double scale
Find fourth proportional to 816,948.40, 1,225,422.60 and 606,996.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.