Home / 614,972.89-922,064.18-255,391.78

Finding the Fourth Proportional to 614,972.89, 922,064.18 and 255,391.78

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Solution

The fourth proportional to 614,972.89, 922,064.18 and 255,391.78 is: 382,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,972.89 : 922,064.18 = 255,391.78 : x
  2. Step 2: Convert to fraction form
    614,972.89/922,064.18 = 255,391.78/x
  3. Step 3: Cross multiply
    614,972.89x = 922,064.18 × 255,391.78
  4. Step 4: Simplify right side
    614,972.89x = 235,487,612,204.44
  5. Step 5: Solve for x
    x = 235,487,612,204.44/614,972.89
  6. Step 6: Final answer
    x = 382,923.57

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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.