Home / 1,721,036.18-2,581,455.72-656,185.88

Finding the Fourth Proportional to 1,721,036.18, 2,581,455.72 and 656,185.88

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Solution

The fourth proportional to 1,721,036.18, 2,581,455.72 and 656,185.88 is: 984,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,036.18 : 2,581,455.72 = 656,185.88 : x
  2. Step 2: Convert to fraction form
    1,721,036.18/2,581,455.72 = 656,185.88/x
  3. Step 3: Cross multiply
    1,721,036.18x = 2,581,455.72 × 656,185.88
  4. Step 4: Simplify right side
    1,721,036.18x = 1,693,914,793,309.23
  5. Step 5: Solve for x
    x = 1,693,914,793,309.23/1,721,036.18
  6. Step 6: Final answer
    x = 984,241.25

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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.