Home / 424,228.46-585,420.28-233,240.38

Finding the Fourth Proportional to 424,228.46, 585,420.28 and 233,240.38

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Solution

The fourth proportional to 424,228.46, 585,420.28 and 233,240.38 is: 321,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,228.46 : 585,420.28 = 233,240.38 : x
  2. Step 2: Convert to fraction form
    424,228.46/585,420.28 = 233,240.38/x
  3. Step 3: Cross multiply
    424,228.46x = 585,420.28 × 233,240.38
  4. Step 4: Simplify right side
    424,228.46x = 136,543,646,520.26
  5. Step 5: Solve for x
    x = 136,543,646,520.26/424,228.46
  6. Step 6: Final answer
    x = 321,863.48

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Half scale
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Double scale
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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.