Home / 1,117,085.38-1,541,577.76-607,791.40

Finding the Fourth Proportional to 1,117,085.38, 1,541,577.76 and 607,791.40

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Solution

The fourth proportional to 1,117,085.38, 1,541,577.76 and 607,791.40 is: 838,752.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,085.38 : 1,541,577.76 = 607,791.40 : x
  2. Step 2: Convert to fraction form
    1,117,085.38/1,541,577.76 = 607,791.40/x
  3. Step 3: Cross multiply
    1,117,085.38x = 1,541,577.76 × 607,791.40
  4. Step 4: Simplify right side
    1,117,085.38x = 936,957,699,585.84
  5. Step 5: Solve for x
    x = 936,957,699,585.84/1,117,085.38
  6. Step 6: Final answer
    x = 838,752.09

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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.