Home / 1,434,567.22-1,979,708.37-861,617.14

Finding the Fourth Proportional to 1,434,567.22, 1,979,708.37 and 861,617.14

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Solution

The fourth proportional to 1,434,567.22, 1,979,708.37 and 861,617.14 is: 1,189,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,567.22 : 1,979,708.37 = 861,617.14 : x
  2. Step 2: Convert to fraction form
    1,434,567.22/1,979,708.37 = 861,617.14/x
  3. Step 3: Cross multiply
    1,434,567.22x = 1,979,708.37 × 861,617.14
  4. Step 4: Simplify right side
    1,434,567.22x = 1,705,750,663,793.46
  5. Step 5: Solve for x
    x = 1,705,750,663,793.46/1,434,567.22
  6. Step 6: Final answer
    x = 1,189,035.02

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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.