Home / 654,106.20-981,159.30-614,707.80

Finding the Fourth Proportional to 654,106.20, 981,159.30 and 614,707.80

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Solution

The fourth proportional to 654,106.20, 981,159.30 and 614,707.80 is: 922,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,106.20 : 981,159.30 = 614,707.80 : x
  2. Step 2: Convert to fraction form
    654,106.20/981,159.30 = 614,707.80/x
  3. Step 3: Cross multiply
    654,106.20x = 981,159.30 × 614,707.80
  4. Step 4: Simplify right side
    654,106.20x = 603,126,274,752.54
  5. Step 5: Solve for x
    x = 603,126,274,752.54/654,106.20
  6. Step 6: Final answer
    x = 922,061.70

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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.