Home / 1,237,200.60-1,855,800.90-607,344.60

Finding the Fourth Proportional to 1,237,200.60, 1,855,800.90 and 607,344.60

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Solution

The fourth proportional to 1,237,200.60, 1,855,800.90 and 607,344.60 is: 911,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,200.60 : 1,855,800.90 = 607,344.60 : x
  2. Step 2: Convert to fraction form
    1,237,200.60/1,855,800.90 = 607,344.60/x
  3. Step 3: Cross multiply
    1,237,200.60x = 1,855,800.90 × 607,344.60
  4. Step 4: Simplify right side
    1,237,200.60x = 1,127,110,655,290.14
  5. Step 5: Solve for x
    x = 1,127,110,655,290.14/1,237,200.60
  6. Step 6: Final answer
    x = 911,016.90

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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.