Home / 1,013,494.43-1,398,622.45-554,609.11

Finding the Fourth Proportional to 1,013,494.43, 1,398,622.45 and 554,609.11

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Solution

The fourth proportional to 1,013,494.43, 1,398,622.45 and 554,609.11 is: 765,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,494.43 : 1,398,622.45 = 554,609.11 : x
  2. Step 2: Convert to fraction form
    1,013,494.43/1,398,622.45 = 554,609.11/x
  3. Step 3: Cross multiply
    1,013,494.43x = 1,398,622.45 × 554,609.11
  4. Step 4: Simplify right side
    1,013,494.43x = 775,688,752,220.52
  5. Step 5: Solve for x
    x = 775,688,752,220.52/1,013,494.43
  6. Step 6: Final answer
    x = 765,360.65

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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.