Home / 677,789.60-934,582.70-432,446.06

Finding the Fourth Proportional to 677,789.60, 934,582.70 and 432,446.06

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Solution

The fourth proportional to 677,789.60, 934,582.70 and 432,446.06 is: 596,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,789.60 : 934,582.70 = 432,446.06 : x
  2. Step 2: Convert to fraction form
    677,789.60/934,582.70 = 432,446.06/x
  3. Step 3: Cross multiply
    677,789.60x = 934,582.70 × 432,446.06
  4. Step 4: Simplify right side
    677,789.60x = 404,156,606,359.16
  5. Step 5: Solve for x
    x = 404,156,606,359.16/677,789.60
  6. Step 6: Final answer
    x = 596,286.23

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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.