Home / 526,918.68-790,380.04-127,558.81

Finding the Fourth Proportional to 526,918.68, 790,380.04 and 127,558.81

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Solution

The fourth proportional to 526,918.68, 790,380.04 and 127,558.81 is: 191,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,918.68 : 790,380.04 = 127,558.81 : x
  2. Step 2: Convert to fraction form
    526,918.68/790,380.04 = 127,558.81/x
  3. Step 3: Cross multiply
    526,918.68x = 790,380.04 × 127,558.81
  4. Step 4: Simplify right side
    526,918.68x = 100,819,937,350.15
  5. Step 5: Solve for x
    x = 100,819,937,350.15/526,918.68
  6. Step 6: Final answer
    x = 191,338.70

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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.