Home / 753,347.01-1,039,626.50-409,189.66

Finding the Fourth Proportional to 753,347.01, 1,039,626.50 and 409,189.66

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Solution

The fourth proportional to 753,347.01, 1,039,626.50 and 409,189.66 is: 564,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,347.01 : 1,039,626.50 = 409,189.66 : x
  2. Step 2: Convert to fraction form
    753,347.01/1,039,626.50 = 409,189.66/x
  3. Step 3: Cross multiply
    753,347.01x = 1,039,626.50 × 409,189.66
  4. Step 4: Simplify right side
    753,347.01x = 425,404,414,061.99
  5. Step 5: Solve for x
    x = 425,404,414,061.99/753,347.01
  6. Step 6: Final answer
    x = 564,685.87

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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.