Home / 949,539.05-1,424,308.59-318,451.04

Finding the Fourth Proportional to 949,539.05, 1,424,308.59 and 318,451.04

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Solution

The fourth proportional to 949,539.05, 1,424,308.59 and 318,451.04 is: 477,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,539.05 : 1,424,308.59 = 318,451.04 : x
  2. Step 2: Convert to fraction form
    949,539.05/1,424,308.59 = 318,451.04/x
  3. Step 3: Cross multiply
    949,539.05x = 1,424,308.59 × 318,451.04
  4. Step 4: Simplify right side
    949,539.05x = 453,572,544,644.89
  5. Step 5: Solve for x
    x = 453,572,544,644.89/949,539.05
  6. Step 6: Final answer
    x = 477,676.56

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Half scale
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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.