Home / 1,238,537.28-1,709,044.82-694,561.13

Finding the Fourth Proportional to 1,238,537.28, 1,709,044.82 and 694,561.13

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Solution

The fourth proportional to 1,238,537.28, 1,709,044.82 and 694,561.13 is: 958,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,537.28 : 1,709,044.82 = 694,561.13 : x
  2. Step 2: Convert to fraction form
    1,238,537.28/1,709,044.82 = 694,561.13/x
  3. Step 3: Cross multiply
    1,238,537.28x = 1,709,044.82 × 694,561.13
  4. Step 4: Simplify right side
    1,238,537.28x = 1,187,036,098,395.34
  5. Step 5: Solve for x
    x = 1,187,036,098,395.34/1,238,537.28
  6. Step 6: Final answer
    x = 958,417.74

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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.