Home / 749,066.70-1,123,600.05-329,162.70

Finding the Fourth Proportional to 749,066.70, 1,123,600.05 and 329,162.70

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Solution

The fourth proportional to 749,066.70, 1,123,600.05 and 329,162.70 is: 493,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,066.70 : 1,123,600.05 = 329,162.70 : x
  2. Step 2: Convert to fraction form
    749,066.70/1,123,600.05 = 329,162.70/x
  3. Step 3: Cross multiply
    749,066.70x = 1,123,600.05 × 329,162.70
  4. Step 4: Simplify right side
    749,066.70x = 369,847,226,178.14
  5. Step 5: Solve for x
    x = 369,847,226,178.14/749,066.70
  6. Step 6: Final answer
    x = 493,744.05

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Half scale
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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.