Home / 960,136.35-1,324,875.20-530,390.85

Finding the Fourth Proportional to 960,136.35, 1,324,875.20 and 530,390.85

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Solution

The fourth proportional to 960,136.35, 1,324,875.20 and 530,390.85 is: 731,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,136.35 : 1,324,875.20 = 530,390.85 : x
  2. Step 2: Convert to fraction form
    960,136.35/1,324,875.20 = 530,390.85/x
  3. Step 3: Cross multiply
    960,136.35x = 1,324,875.20 × 530,390.85
  4. Step 4: Simplify right side
    960,136.35x = 702,701,681,255.25
  5. Step 5: Solve for x
    x = 702,701,681,255.25/960,136.35
  6. Step 6: Final answer
    x = 731,876.97

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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.