Home / 782,144.40-1,169,717.40-656,173.20

Finding the Fourth Proportional to 782,144.40, 1,169,717.40 and 656,173.20

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Solution

The fourth proportional to 782,144.40, 1,169,717.40 and 656,173.20 is: 981,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,144.40 : 1,169,717.40 = 656,173.20 : x
  2. Step 2: Convert to fraction form
    782,144.40/1,169,717.40 = 656,173.20/x
  3. Step 3: Cross multiply
    782,144.40x = 1,169,717.40 × 656,173.20
  4. Step 4: Simplify right side
    782,144.40x = 767,537,209,453.68
  5. Step 5: Solve for x
    x = 767,537,209,453.68/782,144.40
  6. Step 6: Final answer
    x = 981,324.18

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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.