Home / 516,680.04-713,006.34-298,872.66

Finding the Fourth Proportional to 516,680.04, 713,006.34 and 298,872.66

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Solution

The fourth proportional to 516,680.04, 713,006.34 and 298,872.66 is: 412,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,680.04 : 713,006.34 = 298,872.66 : x
  2. Step 2: Convert to fraction form
    516,680.04/713,006.34 = 298,872.66/x
  3. Step 3: Cross multiply
    516,680.04x = 713,006.34 × 298,872.66
  4. Step 4: Simplify right side
    516,680.04x = 213,098,101,432.66
  5. Step 5: Solve for x
    x = 213,098,101,432.66/516,680.04
  6. Step 6: Final answer
    x = 412,437.26

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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.