Home / 723,935.13-999,011.43-397,247.14

Finding the Fourth Proportional to 723,935.13, 999,011.43 and 397,247.14

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Solution

The fourth proportional to 723,935.13, 999,011.43 and 397,247.14 is: 548,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,935.13 : 999,011.43 = 397,247.14 : x
  2. Step 2: Convert to fraction form
    723,935.13/999,011.43 = 397,247.14/x
  3. Step 3: Cross multiply
    723,935.13x = 999,011.43 × 397,247.14
  4. Step 4: Simplify right side
    723,935.13x = 396,854,430,560.37
  5. Step 5: Solve for x
    x = 396,854,430,560.37/723,935.13
  6. Step 6: Final answer
    x = 548,190.60

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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.