Home / 476,157.39-656,994.56-274,836.75

Finding the Fourth Proportional to 476,157.39, 656,994.56 and 274,836.75

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Solution

The fourth proportional to 476,157.39, 656,994.56 and 274,836.75 is: 379,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,157.39 : 656,994.56 = 274,836.75 : x
  2. Step 2: Convert to fraction form
    476,157.39/656,994.56 = 274,836.75/x
  3. Step 3: Cross multiply
    476,157.39x = 656,994.56 × 274,836.75
  4. Step 4: Simplify right side
    476,157.39x = 180,566,248,263.90
  5. Step 5: Solve for x
    x = 180,566,248,263.90/476,157.39
  6. Step 6: Final answer
    x = 379,215.47

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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.