Home / 609,528.40-913,964.55-254,140.90

Finding the Fourth Proportional to 609,528.40, 913,964.55 and 254,140.90

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Solution

The fourth proportional to 609,528.40, 913,964.55 and 254,140.90 is: 381,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,528.40 : 913,964.55 = 254,140.90 : x
  2. Step 2: Convert to fraction form
    609,528.40/913,964.55 = 254,140.90/x
  3. Step 3: Cross multiply
    609,528.40x = 913,964.55 × 254,140.90
  4. Step 4: Simplify right side
    609,528.40x = 232,275,773,305.10
  5. Step 5: Solve for x
    x = 232,275,773,305.10/609,528.40
  6. Step 6: Final answer
    x = 381,074.57

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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.