Home / 461,921.46-637,312.20-268,291.80

Finding the Fourth Proportional to 461,921.46, 637,312.20 and 268,291.80

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Solution

The fourth proportional to 461,921.46, 637,312.20 and 268,291.80 is: 370,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,921.46 : 637,312.20 = 268,291.80 : x
  2. Step 2: Convert to fraction form
    461,921.46/637,312.20 = 268,291.80/x
  3. Step 3: Cross multiply
    461,921.46x = 637,312.20 × 268,291.80
  4. Step 4: Simplify right side
    461,921.46x = 170,985,637,299.96
  5. Step 5: Solve for x
    x = 170,985,637,299.96/461,921.46
  6. Step 6: Final answer
    x = 370,161.71

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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.