Home / 749,095.70-1,123,643.55-497,153.30

Finding the Fourth Proportional to 749,095.70, 1,123,643.55 and 497,153.30

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Solution

The fourth proportional to 749,095.70, 1,123,643.55 and 497,153.30 is: 745,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,095.70 : 1,123,643.55 = 497,153.30 : x
  2. Step 2: Convert to fraction form
    749,095.70/1,123,643.55 = 497,153.30/x
  3. Step 3: Cross multiply
    749,095.70x = 1,123,643.55 × 497,153.30
  4. Step 4: Simplify right side
    749,095.70x = 558,623,098,906.22
  5. Step 5: Solve for x
    x = 558,623,098,906.22/749,095.70
  6. Step 6: Final answer
    x = 745,729.95

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.