Home / 1,690,167.91-2,332,427.88-915,819.88

Finding the Fourth Proportional to 1,690,167.91, 2,332,427.88 and 915,819.88

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Solution

The fourth proportional to 1,690,167.91, 2,332,427.88 and 915,819.88 is: 1,263,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,167.91 : 2,332,427.88 = 915,819.88 : x
  2. Step 2: Convert to fraction form
    1,690,167.91/2,332,427.88 = 915,819.88/x
  3. Step 3: Cross multiply
    1,690,167.91x = 2,332,427.88 × 915,819.88
  4. Step 4: Simplify right side
    1,690,167.91x = 2,136,083,818,773.51
  5. Step 5: Solve for x
    x = 2,136,083,818,773.51/1,690,167.91
  6. Step 6: Final answer
    x = 1,263,829.36

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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.