Home / 679,103.12-937,116.24-373,200.86

Finding the Fourth Proportional to 679,103.12, 937,116.24 and 373,200.86

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Solution

The fourth proportional to 679,103.12, 937,116.24 and 373,200.86 is: 514,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,103.12 : 937,116.24 = 373,200.86 : x
  2. Step 2: Convert to fraction form
    679,103.12/937,116.24 = 373,200.86/x
  3. Step 3: Cross multiply
    679,103.12x = 937,116.24 × 373,200.86
  4. Step 4: Simplify right side
    679,103.12x = 349,732,586,687.97
  5. Step 5: Solve for x
    x = 349,732,586,687.97/679,103.12
  6. Step 6: Final answer
    x = 514,991.87

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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.