Home / 625,776.04-863,572.80-339,296.20

Finding the Fourth Proportional to 625,776.04, 863,572.80 and 339,296.20

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Solution

The fourth proportional to 625,776.04, 863,572.80 and 339,296.20 is: 468,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,776.04 : 863,572.80 = 339,296.20 : x
  2. Step 2: Convert to fraction form
    625,776.04/863,572.80 = 339,296.20/x
  3. Step 3: Cross multiply
    625,776.04x = 863,572.80 × 339,296.20
  4. Step 4: Simplify right side
    625,776.04x = 293,006,969,463.36
  5. Step 5: Solve for x
    x = 293,006,969,463.36/625,776.04
  6. Step 6: Final answer
    x = 468,229.77

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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.