Home / 1,227,857.38-1,843,042.85-1,013,943.71

Finding the Fourth Proportional to 1,227,857.38, 1,843,042.85 and 1,013,943.71

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Solution

The fourth proportional to 1,227,857.38, 1,843,042.85 and 1,013,943.71 is: 1,521,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,857.38 : 1,843,042.85 = 1,013,943.71 : x
  2. Step 2: Convert to fraction form
    1,227,857.38/1,843,042.85 = 1,013,943.71/x
  3. Step 3: Cross multiply
    1,227,857.38x = 1,843,042.85 × 1,013,943.71
  4. Step 4: Simplify right side
    1,227,857.38x = 1,868,741,708,358.15
  5. Step 5: Solve for x
    x = 1,868,741,708,358.15/1,227,857.38
  6. Step 6: Final answer
    x = 1,521,953.40

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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.