Home / 702,023.60-1,053,035.40-615,418.40

Finding the Fourth Proportional to 702,023.60, 1,053,035.40 and 615,418.40

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Solution

The fourth proportional to 702,023.60, 1,053,035.40 and 615,418.40 is: 923,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,023.60 : 1,053,035.40 = 615,418.40 : x
  2. Step 2: Convert to fraction form
    702,023.60/1,053,035.40 = 615,418.40/x
  3. Step 3: Cross multiply
    702,023.60x = 1,053,035.40 × 615,418.40
  4. Step 4: Simplify right side
    702,023.60x = 648,057,361,011.36
  5. Step 5: Solve for x
    x = 648,057,361,011.36/702,023.60
  6. Step 6: Final answer
    x = 923,127.60

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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.