Home / 665,254.20-917,790.30-410,162.52

Finding the Fourth Proportional to 665,254.20, 917,790.30 and 410,162.52

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Solution

The fourth proportional to 665,254.20, 917,790.30 and 410,162.52 is: 565,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,254.20 : 917,790.30 = 410,162.52 : x
  2. Step 2: Convert to fraction form
    665,254.20/917,790.30 = 410,162.52/x
  3. Step 3: Cross multiply
    665,254.20x = 917,790.30 × 410,162.52
  4. Step 4: Simplify right side
    665,254.20x = 376,443,182,279.56
  5. Step 5: Solve for x
    x = 376,443,182,279.56/665,254.20
  6. Step 6: Final answer
    x = 565,863.67

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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.