Home / 371,083.29-511,778.48-285,250.22

Finding the Fourth Proportional to 371,083.29, 511,778.48 and 285,250.22

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Solution

The fourth proportional to 371,083.29, 511,778.48 and 285,250.22 is: 393,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,083.29 : 511,778.48 = 285,250.22 : x
  2. Step 2: Convert to fraction form
    371,083.29/511,778.48 = 285,250.22/x
  3. Step 3: Cross multiply
    371,083.29x = 511,778.48 × 285,250.22
  4. Step 4: Simplify right side
    371,083.29x = 145,984,924,011.27
  5. Step 5: Solve for x
    x = 145,984,924,011.27/371,083.29
  6. Step 6: Final answer
    x = 393,402.04

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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.