Home / 427,185.92-589,535.36-266,136.32

Finding the Fourth Proportional to 427,185.92, 589,535.36 and 266,136.32

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Solution

The fourth proportional to 427,185.92, 589,535.36 and 266,136.32 is: 367,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,185.92 : 589,535.36 = 266,136.32 : x
  2. Step 2: Convert to fraction form
    427,185.92/589,535.36 = 266,136.32/x
  3. Step 3: Cross multiply
    427,185.92x = 589,535.36 × 266,136.32
  4. Step 4: Simplify right side
    427,185.92x = 156,896,771,220.28
  5. Step 5: Solve for x
    x = 156,896,771,220.28/427,185.92
  6. Step 6: Final answer
    x = 367,279.83

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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.