Home / 399,023.08-598,184.16-162,564.64

Finding the Fourth Proportional to 399,023.08, 598,184.16 and 162,564.64

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Solution

The fourth proportional to 399,023.08, 598,184.16 and 162,564.64 is: 243,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,023.08 : 598,184.16 = 162,564.64 : x
  2. Step 2: Convert to fraction form
    399,023.08/598,184.16 = 162,564.64/x
  3. Step 3: Cross multiply
    399,023.08x = 598,184.16 × 162,564.64
  4. Step 4: Simplify right side
    399,023.08x = 97,243,592,624.10
  5. Step 5: Solve for x
    x = 97,243,592,624.10/399,023.08
  6. Step 6: Final answer
    x = 243,704.18

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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.