Home / 1,244,572.45-1,867,147.47-391,621.93

Finding the Fourth Proportional to 1,244,572.45, 1,867,147.47 and 391,621.93

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Solution

The fourth proportional to 1,244,572.45, 1,867,147.47 and 391,621.93 is: 587,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,572.45 : 1,867,147.47 = 391,621.93 : x
  2. Step 2: Convert to fraction form
    1,244,572.45/1,867,147.47 = 391,621.93/x
  3. Step 3: Cross multiply
    1,244,572.45x = 1,867,147.47 × 391,621.93
  4. Step 4: Simplify right side
    1,244,572.45x = 731,215,894,816.96
  5. Step 5: Solve for x
    x = 731,215,894,816.96/1,244,572.45
  6. Step 6: Final answer
    x = 587,523.77

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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.