Home / 432,327.57-595,291.34-391,777.55

Finding the Fourth Proportional to 432,327.57, 595,291.34 and 391,777.55

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Solution

The fourth proportional to 432,327.57, 595,291.34 and 391,777.55 is: 539,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,327.57 : 595,291.34 = 391,777.55 : x
  2. Step 2: Convert to fraction form
    432,327.57/595,291.34 = 391,777.55/x
  3. Step 3: Cross multiply
    432,327.57x = 595,291.34 × 391,777.55
  4. Step 4: Simplify right side
    432,327.57x = 233,221,782,956.75
  5. Step 5: Solve for x
    x = 233,221,782,956.75/432,327.57
  6. Step 6: Final answer
    x = 539,456.19

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1.5x scale

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.