Home / 727,140.99-1,001,229.08-725,041.47

Finding the Fourth Proportional to 727,140.99, 1,001,229.08 and 725,041.47

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Solution

The fourth proportional to 727,140.99, 1,001,229.08 and 725,041.47 is: 998,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,140.99 : 1,001,229.08 = 725,041.47 : x
  2. Step 2: Convert to fraction form
    727,140.99/1,001,229.08 = 725,041.47/x
  3. Step 3: Cross multiply
    727,140.99x = 1,001,229.08 × 725,041.47
  4. Step 4: Simplify right side
    727,140.99x = 725,932,600,344.74
  5. Step 5: Solve for x
    x = 725,932,600,344.74/727,140.99
  6. Step 6: Final answer
    x = 998,338.16

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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.