Home / 744,337.80-1,116,506.70-681,352.20

Finding the Fourth Proportional to 744,337.80, 1,116,506.70 and 681,352.20

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Solution

The fourth proportional to 744,337.80, 1,116,506.70 and 681,352.20 is: 1,022,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,337.80 : 1,116,506.70 = 681,352.20 : x
  2. Step 2: Convert to fraction form
    744,337.80/1,116,506.70 = 681,352.20/x
  3. Step 3: Cross multiply
    744,337.80x = 1,116,506.70 × 681,352.20
  4. Step 4: Simplify right side
    744,337.80x = 760,734,296,359.74
  5. Step 5: Solve for x
    x = 760,734,296,359.74/744,337.80
  6. Step 6: Final answer
    x = 1,022,028.30

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Double scale
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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.