Home / 614,981.29-922,738.36-330,339.74

Finding the Fourth Proportional to 614,981.29, 922,738.36 and 330,339.74

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Solution

The fourth proportional to 614,981.29, 922,738.36 and 330,339.74 is: 495,652.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,981.29 : 922,738.36 = 330,339.74 : x
  2. Step 2: Convert to fraction form
    614,981.29/922,738.36 = 330,339.74/x
  3. Step 3: Cross multiply
    614,981.29x = 922,738.36 × 330,339.74
  4. Step 4: Simplify right side
    614,981.29x = 304,817,151,966.80
  5. Step 5: Solve for x
    x = 304,817,151,966.80/614,981.29
  6. Step 6: Final answer
    x = 495,652.73

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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.