Home / 1,101,598.40-1,520,080.80-618,062.72

Finding the Fourth Proportional to 1,101,598.40, 1,520,080.80 and 618,062.72

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Solution

The fourth proportional to 1,101,598.40, 1,520,080.80 and 618,062.72 is: 852,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,598.40 : 1,520,080.80 = 618,062.72 : x
  2. Step 2: Convert to fraction form
    1,101,598.40/1,520,080.80 = 618,062.72/x
  3. Step 3: Cross multiply
    1,101,598.40x = 1,520,080.80 × 618,062.72
  4. Step 4: Simplify right side
    1,101,598.40x = 939,505,273,867.78
  5. Step 5: Solve for x
    x = 939,505,273,867.78/1,101,598.40
  6. Step 6: Final answer
    x = 852,856.43

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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.