Home / 1,639,575.18-2,262,617.76-914,469.87

Finding the Fourth Proportional to 1,639,575.18, 2,262,617.76 and 914,469.87

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Solution

The fourth proportional to 1,639,575.18, 2,262,617.76 and 914,469.87 is: 1,261,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,575.18 : 2,262,617.76 = 914,469.87 : x
  2. Step 2: Convert to fraction form
    1,639,575.18/2,262,617.76 = 914,469.87/x
  3. Step 3: Cross multiply
    1,639,575.18x = 2,262,617.76 × 914,469.87
  4. Step 4: Simplify right side
    1,639,575.18x = 2,069,095,768,846.89
  5. Step 5: Solve for x
    x = 2,069,095,768,846.89/1,639,575.18
  6. Step 6: Final answer
    x = 1,261,970.66

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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.