Home / 559,510.22-772,124.20-304,861.44

Finding the Fourth Proportional to 559,510.22, 772,124.20 and 304,861.44

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Solution

The fourth proportional to 559,510.22, 772,124.20 and 304,861.44 is: 420,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,510.22 : 772,124.20 = 304,861.44 : x
  2. Step 2: Convert to fraction form
    559,510.22/772,124.20 = 304,861.44/x
  3. Step 3: Cross multiply
    559,510.22x = 772,124.20 × 304,861.44
  4. Step 4: Simplify right side
    559,510.22x = 235,390,895,470.85
  5. Step 5: Solve for x
    x = 235,390,895,470.85/559,510.22
  6. Step 6: Final answer
    x = 420,708.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.