Home / 670,789.43-925,605.21-453,470.83

Finding the Fourth Proportional to 670,789.43, 925,605.21 and 453,470.83

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Solution

The fourth proportional to 670,789.43, 925,605.21 and 453,470.83 is: 625,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,789.43 : 925,605.21 = 453,470.83 : x
  2. Step 2: Convert to fraction form
    670,789.43/925,605.21 = 453,470.83/x
  3. Step 3: Cross multiply
    670,789.43x = 925,605.21 × 453,470.83
  4. Step 4: Simplify right side
    670,789.43x = 419,734,962,831.02
  5. Step 5: Solve for x
    x = 419,734,962,831.02/670,789.43
  6. Step 6: Final answer
    x = 625,732.82

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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.