Home / 957,403.11-1,321,209.68-527,683.47

Finding the Fourth Proportional to 957,403.11, 1,321,209.68 and 527,683.47

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Solution

The fourth proportional to 957,403.11, 1,321,209.68 and 527,683.47 is: 728,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,403.11 : 1,321,209.68 = 527,683.47 : x
  2. Step 2: Convert to fraction form
    957,403.11/1,321,209.68 = 527,683.47/x
  3. Step 3: Cross multiply
    957,403.11x = 1,321,209.68 × 527,683.47
  4. Step 4: Simplify right side
    957,403.11x = 697,180,505,901.57
  5. Step 5: Solve for x
    x = 697,180,505,901.57/957,403.11
  6. Step 6: Final answer
    x = 728,199.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.