Home / 1,156,231.92-1,595,559.36-639,986.82

Finding the Fourth Proportional to 1,156,231.92, 1,595,559.36 and 639,986.82

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Solution

The fourth proportional to 1,156,231.92, 1,595,559.36 and 639,986.82 is: 883,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,231.92 : 1,595,559.36 = 639,986.82 : x
  2. Step 2: Convert to fraction form
    1,156,231.92/1,595,559.36 = 639,986.82/x
  3. Step 3: Cross multiply
    1,156,231.92x = 1,595,559.36 × 639,986.82
  4. Step 4: Simplify right side
    1,156,231.92x = 1,021,136,966,319.26
  5. Step 5: Solve for x
    x = 1,021,136,966,319.26/1,156,231.92
  6. Step 6: Final answer
    x = 883,159.30

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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.