Home / 527,214.42-790,821.36-127,855.12

Finding the Fourth Proportional to 527,214.42, 790,821.36 and 127,855.12

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Solution

The fourth proportional to 527,214.42, 790,821.36 and 127,855.12 is: 191,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,214.42 : 790,821.36 = 127,855.12 : x
  2. Step 2: Convert to fraction form
    527,214.42/790,821.36 = 127,855.12/x
  3. Step 3: Cross multiply
    527,214.42x = 790,821.36 × 127,855.12
  4. Step 4: Simplify right side
    527,214.42x = 101,110,559,881.36
  5. Step 5: Solve for x
    x = 101,110,559,881.36/527,214.42
  6. Step 6: Final answer
    x = 191,782.61

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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.