Home / 677,834.28-935,491.14-376,047.72

Finding the Fourth Proportional to 677,834.28, 935,491.14 and 376,047.72

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Solution

The fourth proportional to 677,834.28, 935,491.14 and 376,047.72 is: 518,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,834.28 : 935,491.14 = 376,047.72 : x
  2. Step 2: Convert to fraction form
    677,834.28/935,491.14 = 376,047.72/x
  3. Step 3: Cross multiply
    677,834.28x = 935,491.14 × 376,047.72
  4. Step 4: Simplify right side
    677,834.28x = 351,789,310,277.20
  5. Step 5: Solve for x
    x = 351,789,310,277.20/677,834.28
  6. Step 6: Final answer
    x = 518,990.14

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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.