Home / 578,952.42-868,430.74-409,961.58

Finding the Fourth Proportional to 578,952.42, 868,430.74 and 409,961.58

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Solution

The fourth proportional to 578,952.42, 868,430.74 and 409,961.58 is: 614,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,952.42 : 868,430.74 = 409,961.58 : x
  2. Step 2: Convert to fraction form
    578,952.42/868,430.74 = 409,961.58/x
  3. Step 3: Cross multiply
    578,952.42x = 868,430.74 × 409,961.58
  4. Step 4: Simplify right side
    578,952.42x = 356,023,238,290.97
  5. Step 5: Solve for x
    x = 356,023,238,290.97/578,952.42
  6. Step 6: Final answer
    x = 614,943.86

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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.