Home / 665,423.11-998,845.04-286,531.44

Finding the Fourth Proportional to 665,423.11, 998,845.04 and 286,531.44

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Solution

The fourth proportional to 665,423.11, 998,845.04 and 286,531.44 is: 430,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,423.11 : 998,845.04 = 286,531.44 : x
  2. Step 2: Convert to fraction form
    665,423.11/998,845.04 = 286,531.44/x
  3. Step 3: Cross multiply
    665,423.11x = 998,845.04 × 286,531.44
  4. Step 4: Simplify right side
    665,423.11x = 286,200,507,648.06
  5. Step 5: Solve for x
    x = 286,200,507,648.06/665,423.11
  6. Step 6: Final answer
    x = 430,103.05

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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.