Home / 661,539.18-913,183.71-468,953.52

Finding the Fourth Proportional to 661,539.18, 913,183.71 and 468,953.52

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Solution

The fourth proportional to 661,539.18, 913,183.71 and 468,953.52 is: 647,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,539.18 : 913,183.71 = 468,953.52 : x
  2. Step 2: Convert to fraction form
    661,539.18/913,183.71 = 468,953.52/x
  3. Step 3: Cross multiply
    661,539.18x = 913,183.71 × 468,953.52
  4. Step 4: Simplify right side
    661,539.18x = 428,240,715,211.16
  5. Step 5: Solve for x
    x = 428,240,715,211.16/661,539.18
  6. Step 6: Final answer
    x = 647,339.91

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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.