Home / 715,503.70-1,073,255.55-505,551.70

Finding the Fourth Proportional to 715,503.70, 1,073,255.55 and 505,551.70

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Solution

The fourth proportional to 715,503.70, 1,073,255.55 and 505,551.70 is: 758,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,503.70 : 1,073,255.55 = 505,551.70 : x
  2. Step 2: Convert to fraction form
    715,503.70/1,073,255.55 = 505,551.70/x
  3. Step 3: Cross multiply
    715,503.70x = 1,073,255.55 × 505,551.70
  4. Step 4: Simplify right side
    715,503.70x = 542,586,167,836.94
  5. Step 5: Solve for x
    x = 542,586,167,836.94/715,503.70
  6. Step 6: Final answer
    x = 758,327.55

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Double scale
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Similar ratio
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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.