Home / 712,611.06-1,068,953.22-180,136.59

Finding the Fourth Proportional to 712,611.06, 1,068,953.22 and 180,136.59

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Solution

The fourth proportional to 712,611.06, 1,068,953.22 and 180,136.59 is: 270,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,611.06 : 1,068,953.22 = 180,136.59 : x
  2. Step 2: Convert to fraction form
    712,611.06/1,068,953.22 = 180,136.59/x
  3. Step 3: Cross multiply
    712,611.06x = 1,068,953.22 × 180,136.59
  4. Step 4: Simplify right side
    712,611.06x = 192,557,587,920.32
  5. Step 5: Solve for x
    x = 192,557,587,920.32/712,611.06
  6. Step 6: Final answer
    x = 270,214.14

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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.