Home / 501,306.95-691,847.32-274,996.19

Finding the Fourth Proportional to 501,306.95, 691,847.32 and 274,996.19

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Solution

The fourth proportional to 501,306.95, 691,847.32 and 274,996.19 is: 379,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,306.95 : 691,847.32 = 274,996.19 : x
  2. Step 2: Convert to fraction form
    501,306.95/691,847.32 = 274,996.19/x
  3. Step 3: Cross multiply
    501,306.95x = 691,847.32 × 274,996.19
  4. Step 4: Simplify right side
    501,306.95x = 190,255,377,061.71
  5. Step 5: Solve for x
    x = 190,255,377,061.71/501,306.95
  6. Step 6: Final answer
    x = 379,518.73

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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.