Home / 625,981.15-863,854.99-339,501.46

Finding the Fourth Proportional to 625,981.15, 863,854.99 and 339,501.46

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Solution

The fourth proportional to 625,981.15, 863,854.99 and 339,501.46 is: 468,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,981.15 : 863,854.99 = 339,501.46 : x
  2. Step 2: Convert to fraction form
    625,981.15/863,854.99 = 339,501.46/x
  3. Step 3: Cross multiply
    625,981.15x = 863,854.99 × 339,501.46
  4. Step 4: Simplify right side
    625,981.15x = 293,280,030,333.29
  5. Step 5: Solve for x
    x = 293,280,030,333.29/625,981.15
  6. Step 6: Final answer
    x = 468,512.56

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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.