Home / 1,120,747.13-1,546,631.40-718,339.13

Finding the Fourth Proportional to 1,120,747.13, 1,546,631.40 and 718,339.13

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Solution

The fourth proportional to 1,120,747.13, 1,546,631.40 and 718,339.13 is: 991,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,747.13 : 1,546,631.40 = 718,339.13 : x
  2. Step 2: Convert to fraction form
    1,120,747.13/1,546,631.40 = 718,339.13/x
  3. Step 3: Cross multiply
    1,120,747.13x = 1,546,631.40 × 718,339.13
  4. Step 4: Simplify right side
    1,120,747.13x = 1,111,005,846,573.52
  5. Step 5: Solve for x
    x = 1,111,005,846,573.52/1,120,747.13
  6. Step 6: Final answer
    x = 991,308.23

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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.