Home / 672,623.43-1,007,814.12-472,585.70

Finding the Fourth Proportional to 672,623.43, 1,007,814.12 and 472,585.70

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Solution

The fourth proportional to 672,623.43, 1,007,814.12 and 472,585.70 is: 708,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,623.43 : 1,007,814.12 = 472,585.70 : x
  2. Step 2: Convert to fraction form
    672,623.43/1,007,814.12 = 472,585.70/x
  3. Step 3: Cross multiply
    672,623.43x = 1,007,814.12 × 472,585.70
  4. Step 4: Simplify right side
    672,623.43x = 476,278,536,331.01
  5. Step 5: Solve for x
    x = 476,278,536,331.01/672,623.43
  6. Step 6: Final answer
    x = 708,090.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.