Home / 949,522.86-1,424,284.29-318,434.85

Finding the Fourth Proportional to 949,522.86, 1,424,284.29 and 318,434.85

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Solution

The fourth proportional to 949,522.86, 1,424,284.29 and 318,434.85 is: 477,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,522.86 : 1,424,284.29 = 318,434.85 : x
  2. Step 2: Convert to fraction form
    949,522.86/1,424,284.29 = 318,434.85/x
  3. Step 3: Cross multiply
    949,522.86x = 1,424,284.29 × 318,434.85
  4. Step 4: Simplify right side
    949,522.86x = 453,541,752,651.33
  5. Step 5: Solve for x
    x = 453,541,752,651.33/949,522.86
  6. Step 6: Final answer
    x = 477,652.27

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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.