Home / 955,969.20-1,319,254.38-520,399.14

Finding the Fourth Proportional to 955,969.20, 1,319,254.38 and 520,399.14

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Solution

The fourth proportional to 955,969.20, 1,319,254.38 and 520,399.14 is: 718,160.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,969.20 : 1,319,254.38 = 520,399.14 : x
  2. Step 2: Convert to fraction form
    955,969.20/1,319,254.38 = 520,399.14/x
  3. Step 3: Cross multiply
    955,969.20x = 1,319,254.38 × 520,399.14
  4. Step 4: Simplify right side
    955,969.20x = 686,538,844,793.23
  5. Step 5: Solve for x
    x = 686,538,844,793.23/955,969.20
  6. Step 6: Final answer
    x = 718,160.00

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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.