Home / 591,462.20-885,638.10-432,831.80

Finding the Fourth Proportional to 591,462.20, 885,638.10 and 432,831.80

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Solution

The fourth proportional to 591,462.20, 885,638.10 and 432,831.80 is: 648,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,462.20 : 885,638.10 = 432,831.80 : x
  2. Step 2: Convert to fraction form
    591,462.20/885,638.10 = 432,831.80/x
  3. Step 3: Cross multiply
    591,462.20x = 885,638.10 × 432,831.80
  4. Step 4: Simplify right side
    591,462.20x = 383,332,332,971.58
  5. Step 5: Solve for x
    x = 383,332,332,971.58/591,462.20
  6. Step 6: Final answer
    x = 648,109.61

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1.5x scale

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.