Home / 691,867.27-954,800.53-401,456.95

Finding the Fourth Proportional to 691,867.27, 954,800.53 and 401,456.95

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Solution

The fourth proportional to 691,867.27, 954,800.53 and 401,456.95 is: 554,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,867.27 : 954,800.53 = 401,456.95 : x
  2. Step 2: Convert to fraction form
    691,867.27/954,800.53 = 401,456.95/x
  3. Step 3: Cross multiply
    691,867.27x = 954,800.53 × 401,456.95
  4. Step 4: Simplify right side
    691,867.27x = 383,311,311,521.01
  5. Step 5: Solve for x
    x = 383,311,311,521.01/691,867.27
  6. Step 6: Final answer
    x = 554,024.35

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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.