Home / 691,943.60-954,882.54-386,019.96

Finding the Fourth Proportional to 691,943.60, 954,882.54 and 386,019.96

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Solution

The fourth proportional to 691,943.60, 954,882.54 and 386,019.96 is: 532,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,943.60 : 954,882.54 = 386,019.96 : x
  2. Step 2: Convert to fraction form
    691,943.60/954,882.54 = 386,019.96/x
  3. Step 3: Cross multiply
    691,943.60x = 954,882.54 × 386,019.96
  4. Step 4: Simplify right side
    691,943.60x = 368,603,719,895.50
  5. Step 5: Solve for x
    x = 368,603,719,895.50/691,943.60
  6. Step 6: Final answer
    x = 532,707.76

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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.