Home / 1,062,120.38-1,465,707.65-578,689.02

Finding the Fourth Proportional to 1,062,120.38, 1,465,707.65 and 578,689.02

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Solution

The fourth proportional to 1,062,120.38, 1,465,707.65 and 578,689.02 is: 798,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,120.38 : 1,465,707.65 = 578,689.02 : x
  2. Step 2: Convert to fraction form
    1,062,120.38/1,465,707.65 = 578,689.02/x
  3. Step 3: Cross multiply
    1,062,120.38x = 1,465,707.65 × 578,689.02
  4. Step 4: Simplify right side
    1,062,120.38x = 848,188,920,691.56
  5. Step 5: Solve for x
    x = 848,188,920,691.56/1,062,120.38
  6. Step 6: Final answer
    x = 798,580.78

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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.