Home / 753,423.70-1,130,135.55-501,043.90

Finding the Fourth Proportional to 753,423.70, 1,130,135.55 and 501,043.90

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Solution

The fourth proportional to 753,423.70, 1,130,135.55 and 501,043.90 is: 751,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,423.70 : 1,130,135.55 = 501,043.90 : x
  2. Step 2: Convert to fraction form
    753,423.70/1,130,135.55 = 501,043.90/x
  3. Step 3: Cross multiply
    753,423.70x = 1,130,135.55 × 501,043.90
  4. Step 4: Simplify right side
    753,423.70x = 566,247,523,500.65
  5. Step 5: Solve for x
    x = 566,247,523,500.65/753,423.70
  6. Step 6: Final answer
    x = 751,565.85

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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.