Home / 498,052.60-747,176.10-213,742.60

Finding the Fourth Proportional to 498,052.60, 747,176.10 and 213,742.60

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Solution

The fourth proportional to 498,052.60, 747,176.10 and 213,742.60 is: 320,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,052.60 : 747,176.10 = 213,742.60 : x
  2. Step 2: Convert to fraction form
    498,052.60/747,176.10 = 213,742.60/x
  3. Step 3: Cross multiply
    498,052.60x = 747,176.10 × 213,742.60
  4. Step 4: Simplify right side
    498,052.60x = 159,703,362,271.86
  5. Step 5: Solve for x
    x = 159,703,362,271.86/498,052.60
  6. Step 6: Final answer
    x = 320,655.61

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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.