Home / 524,669.18-723,979.10-331,003.85

Finding the Fourth Proportional to 524,669.18, 723,979.10 and 331,003.85

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Solution

The fourth proportional to 524,669.18, 723,979.10 and 331,003.85 is: 456,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,669.18 : 723,979.10 = 331,003.85 : x
  2. Step 2: Convert to fraction form
    524,669.18/723,979.10 = 331,003.85/x
  3. Step 3: Cross multiply
    524,669.18x = 723,979.10 × 331,003.85
  4. Step 4: Simplify right side
    524,669.18x = 239,639,864,144.62
  5. Step 5: Solve for x
    x = 239,639,864,144.62/524,669.18
  6. Step 6: Final answer
    x = 456,744.70

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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.