Home / 610,934.38-843,048.92-338,985.04

Finding the Fourth Proportional to 610,934.38, 843,048.92 and 338,985.04

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Solution

The fourth proportional to 610,934.38, 843,048.92 and 338,985.04 is: 467,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,934.38 : 843,048.92 = 338,985.04 : x
  2. Step 2: Convert to fraction form
    610,934.38/843,048.92 = 338,985.04/x
  3. Step 3: Cross multiply
    610,934.38x = 843,048.92 × 338,985.04
  4. Step 4: Simplify right side
    610,934.38x = 285,780,971,868.16
  5. Step 5: Solve for x
    x = 285,780,971,868.16/610,934.38
  6. Step 6: Final answer
    x = 467,776.87

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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.