Home / 1,085,290.38-1,627,713.90-411,139.26

Finding the Fourth Proportional to 1,085,290.38, 1,627,713.90 and 411,139.26

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Solution

The fourth proportional to 1,085,290.38, 1,627,713.90 and 411,139.26 is: 616,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,290.38 : 1,627,713.90 = 411,139.26 : x
  2. Step 2: Convert to fraction form
    1,085,290.38/1,627,713.90 = 411,139.26/x
  3. Step 3: Cross multiply
    1,085,290.38x = 1,627,713.90 × 411,139.26
  4. Step 4: Simplify right side
    1,085,290.38x = 669,217,088,337.71
  5. Step 5: Solve for x
    x = 669,217,088,337.71/1,085,290.38
  6. Step 6: Final answer
    x = 616,624.92

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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.