Home / 1,116,987.40-1,541,449.30-607,693.42

Finding the Fourth Proportional to 1,116,987.40, 1,541,449.30 and 607,693.42

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Solution

The fourth proportional to 1,116,987.40, 1,541,449.30 and 607,693.42 is: 838,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,987.40 : 1,541,449.30 = 607,693.42 : x
  2. Step 2: Convert to fraction form
    1,116,987.40/1,541,449.30 = 607,693.42/x
  3. Step 3: Cross multiply
    1,116,987.40x = 1,541,449.30 × 607,693.42
  4. Step 4: Simplify right side
    1,116,987.40x = 936,728,596,873.61
  5. Step 5: Solve for x
    x = 936,728,596,873.61/1,116,987.40
  6. Step 6: Final answer
    x = 838,620.56

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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.