Home / 1,166,770.53-1,750,155.39-280,306.53

Finding the Fourth Proportional to 1,166,770.53, 1,750,155.39 and 280,306.53

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Solution

The fourth proportional to 1,166,770.53, 1,750,155.39 and 280,306.53 is: 420,459.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,770.53 : 1,750,155.39 = 280,306.53 : x
  2. Step 2: Convert to fraction form
    1,166,770.53/1,750,155.39 = 280,306.53/x
  3. Step 3: Cross multiply
    1,166,770.53x = 1,750,155.39 × 280,306.53
  4. Step 4: Simplify right side
    1,166,770.53x = 490,579,984,331.70
  5. Step 5: Solve for x
    x = 490,579,984,331.70/1,166,770.53
  6. Step 6: Final answer
    x = 420,459.70

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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.