Home / 923,931.08-1,385,656.05-391,177.88

Finding the Fourth Proportional to 923,931.08, 1,385,656.05 and 391,177.88

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Solution

The fourth proportional to 923,931.08, 1,385,656.05 and 391,177.88 is: 586,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,931.08 : 1,385,656.05 = 391,177.88 : x
  2. Step 2: Convert to fraction form
    923,931.08/1,385,656.05 = 391,177.88/x
  3. Step 3: Cross multiply
    923,931.08x = 1,385,656.05 × 391,177.88
  4. Step 4: Simplify right side
    923,931.08x = 542,037,996,048.17
  5. Step 5: Solve for x
    x = 542,037,996,048.17/923,931.08
  6. Step 6: Final answer
    x = 586,664.97

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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.