Home / 782,851.20-1,174,276.80-520,195.20

Finding the Fourth Proportional to 782,851.20, 1,174,276.80 and 520,195.20

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Solution

The fourth proportional to 782,851.20, 1,174,276.80 and 520,195.20 is: 780,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,851.20 : 1,174,276.80 = 520,195.20 : x
  2. Step 2: Convert to fraction form
    782,851.20/1,174,276.80 = 520,195.20/x
  3. Step 3: Cross multiply
    782,851.20x = 1,174,276.80 × 520,195.20
  4. Step 4: Simplify right side
    782,851.20x = 610,853,154,831.36
  5. Step 5: Solve for x
    x = 610,853,154,831.36/782,851.20
  6. Step 6: Final answer
    x = 780,292.80

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Double scale
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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.