Home / 579,515.04-869,395.68-180,146.16

Finding the Fourth Proportional to 579,515.04, 869,395.68 and 180,146.16

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Solution

The fourth proportional to 579,515.04, 869,395.68 and 180,146.16 is: 270,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,515.04 : 869,395.68 = 180,146.16 : x
  2. Step 2: Convert to fraction form
    579,515.04/869,395.68 = 180,146.16/x
  3. Step 3: Cross multiply
    579,515.04x = 869,395.68 × 180,146.16
  4. Step 4: Simplify right side
    579,515.04x = 156,618,293,272.59
  5. Step 5: Solve for x
    x = 156,618,293,272.59/579,515.04
  6. Step 6: Final answer
    x = 270,257.51

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.