Home / 724,123.88-999,484.68-452,027.84

Finding the Fourth Proportional to 724,123.88, 999,484.68 and 452,027.84

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Solution

The fourth proportional to 724,123.88, 999,484.68 and 452,027.84 is: 623,919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,123.88 : 999,484.68 = 452,027.84 : x
  2. Step 2: Convert to fraction form
    724,123.88/999,484.68 = 452,027.84/x
  3. Step 3: Cross multiply
    724,123.88x = 999,484.68 × 452,027.84
  4. Step 4: Simplify right side
    724,123.88x = 451,794,901,013.49
  5. Step 5: Solve for x
    x = 451,794,901,013.49/724,123.88
  6. Step 6: Final answer
    x = 623,919.35

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Double scale
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Similar ratio
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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.