Home / 1,941,557.31-2,913,648.17-679,395.87

Finding the Fourth Proportional to 1,941,557.31, 2,913,648.17 and 679,395.87

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Solution

The fourth proportional to 1,941,557.31, 2,913,648.17 and 679,395.87 is: 1,019,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,557.31 : 2,913,648.17 = 679,395.87 : x
  2. Step 2: Convert to fraction form
    1,941,557.31/2,913,648.17 = 679,395.87/x
  3. Step 3: Cross multiply
    1,941,557.31x = 2,913,648.17 × 679,395.87
  4. Step 4: Simplify right side
    1,941,557.31x = 1,979,520,529,934.08
  5. Step 5: Solve for x
    x = 1,979,520,529,934.08/1,941,557.31
  6. Step 6: Final answer
    x = 1,019,552.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.