Home / 475,019.08-712,462.70-120,011.24

Finding the Fourth Proportional to 475,019.08, 712,462.70 and 120,011.24

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Solution

The fourth proportional to 475,019.08, 712,462.70 and 120,011.24 is: 180,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,019.08 : 712,462.70 = 120,011.24 : x
  2. Step 2: Convert to fraction form
    475,019.08/712,462.70 = 120,011.24/x
  3. Step 3: Cross multiply
    475,019.08x = 712,462.70 × 120,011.24
  4. Step 4: Simplify right side
    475,019.08x = 85,503,532,080.75
  5. Step 5: Solve for x
    x = 85,503,532,080.75/475,019.08
  6. Step 6: Final answer
    x = 180,000.21

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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.