Home / 985,332.30-1,478,581.65-649,344.30

Finding the Fourth Proportional to 985,332.30, 1,478,581.65 and 649,344.30

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Solution

The fourth proportional to 985,332.30, 1,478,581.65 and 649,344.30 is: 974,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,332.30 : 1,478,581.65 = 649,344.30 : x
  2. Step 2: Convert to fraction form
    985,332.30/1,478,581.65 = 649,344.30/x
  3. Step 3: Cross multiply
    985,332.30x = 1,478,581.65 × 649,344.30
  4. Step 4: Simplify right side
    985,332.30x = 960,108,566,512.10
  5. Step 5: Solve for x
    x = 960,108,566,512.10/985,332.30
  6. Step 6: Final answer
    x = 974,400.78

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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.