Home / 681,450.57-940,407.98-375,537.92

Finding the Fourth Proportional to 681,450.57, 940,407.98 and 375,537.92

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Solution

The fourth proportional to 681,450.57, 940,407.98 and 375,537.92 is: 518,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,450.57 : 940,407.98 = 375,537.92 : x
  2. Step 2: Convert to fraction form
    681,450.57/940,407.98 = 375,537.92/x
  3. Step 3: Cross multiply
    681,450.57x = 940,407.98 × 375,537.92
  4. Step 4: Simplify right side
    681,450.57x = 353,158,855,470.67
  5. Step 5: Solve for x
    x = 353,158,855,470.67/681,450.57
  6. Step 6: Final answer
    x = 518,245.74

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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.