Home / 1,020,121.20-1,407,710.88-567,383.04

Finding the Fourth Proportional to 1,020,121.20, 1,407,710.88 and 567,383.04

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Solution

The fourth proportional to 1,020,121.20, 1,407,710.88 and 567,383.04 is: 782,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,121.20 : 1,407,710.88 = 567,383.04 : x
  2. Step 2: Convert to fraction form
    1,020,121.20/1,407,710.88 = 567,383.04/x
  3. Step 3: Cross multiply
    1,020,121.20x = 1,407,710.88 × 567,383.04
  4. Step 4: Simplify right side
    1,020,121.20x = 798,711,278,535.48
  5. Step 5: Solve for x
    x = 798,711,278,535.48/1,020,121.20
  6. Step 6: Final answer
    x = 782,957.24

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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.