Home / 1,010,418-1,394,376.96-557,709.12

Finding the Fourth Proportional to 1,010,418, 1,394,376.96 and 557,709.12

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Solution

The fourth proportional to 1,010,418, 1,394,376.96 and 557,709.12 is: 769,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,418 : 1,394,376.96 = 557,709.12 : x
  2. Step 2: Convert to fraction form
    1,010,418/1,394,376.96 = 557,709.12/x
  3. Step 3: Cross multiply
    1,010,418x = 1,394,376.96 × 557,709.12
  4. Step 4: Simplify right side
    1,010,418x = 777,656,747,309.88
  5. Step 5: Solve for x
    x = 777,656,747,309.88/1,010,418
  6. Step 6: Final answer
    x = 769,638.65

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Double scale
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1.5x scale

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.