Home / 621,850.90-932,085.15-341,569.30

Finding the Fourth Proportional to 621,850.90, 932,085.15 and 341,569.30

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Solution

The fourth proportional to 621,850.90, 932,085.15 and 341,569.30 is: 511,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,850.90 : 932,085.15 = 341,569.30 : x
  2. Step 2: Convert to fraction form
    621,850.90/932,085.15 = 341,569.30/x
  3. Step 3: Cross multiply
    621,850.90x = 932,085.15 × 341,569.30
  4. Step 4: Simplify right side
    621,850.90x = 318,371,672,225.90
  5. Step 5: Solve for x
    x = 318,371,672,225.90/621,850.90
  6. Step 6: Final answer
    x = 511,974.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.