Home / 1,217,540.44-1,680,881.52-734,228.04

Finding the Fourth Proportional to 1,217,540.44, 1,680,881.52 and 734,228.04

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Solution

The fourth proportional to 1,217,540.44, 1,680,881.52 and 734,228.04 is: 1,013,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,540.44 : 1,680,881.52 = 734,228.04 : x
  2. Step 2: Convert to fraction form
    1,217,540.44/1,680,881.52 = 734,228.04/x
  3. Step 3: Cross multiply
    1,217,540.44x = 1,680,881.52 × 734,228.04
  4. Step 4: Simplify right side
    1,217,540.44x = 1,234,150,343,901.82
  5. Step 5: Solve for x
    x = 1,234,150,343,901.82/1,217,540.44
  6. Step 6: Final answer
    x = 1,013,642.18

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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.