Home / 799,817.76-1,103,033.16-663,635.88

Finding the Fourth Proportional to 799,817.76, 1,103,033.16 and 663,635.88

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Solution

The fourth proportional to 799,817.76, 1,103,033.16 and 663,635.88 is: 915,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,817.76 : 1,103,033.16 = 663,635.88 : x
  2. Step 2: Convert to fraction form
    799,817.76/1,103,033.16 = 663,635.88/x
  3. Step 3: Cross multiply
    799,817.76x = 1,103,033.16 × 663,635.88
  4. Step 4: Simplify right side
    799,817.76x = 732,012,381,805.78
  5. Step 5: Solve for x
    x = 732,012,381,805.78/799,817.76
  6. Step 6: Final answer
    x = 915,223.97

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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.