Home / 749,118.98-1,123,688.85-243,682.61

Finding the Fourth Proportional to 749,118.98, 1,123,688.85 and 243,682.61

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Solution

The fourth proportional to 749,118.98, 1,123,688.85 and 243,682.61 is: 365,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,118.98 : 1,123,688.85 = 243,682.61 : x
  2. Step 2: Convert to fraction form
    749,118.98/1,123,688.85 = 243,682.61/x
  3. Step 3: Cross multiply
    749,118.98x = 1,123,688.85 × 243,682.61
  4. Step 4: Simplify right side
    749,118.98x = 273,823,432,955.11
  5. Step 5: Solve for x
    x = 273,823,432,955.11/749,118.98
  6. Step 6: Final answer
    x = 365,527.29

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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.