Home / 499,761.23-749,435.61-191,966.69

Finding the Fourth Proportional to 499,761.23, 749,435.61 and 191,966.69

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Solution

The fourth proportional to 499,761.23, 749,435.61 and 191,966.69 is: 287,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,761.23 : 749,435.61 = 191,966.69 : x
  2. Step 2: Convert to fraction form
    499,761.23/749,435.61 = 191,966.69/x
  3. Step 3: Cross multiply
    499,761.23x = 749,435.61 × 191,966.69
  4. Step 4: Simplify right side
    499,761.23x = 143,866,673,419.83
  5. Step 5: Solve for x
    x = 143,866,673,419.83/499,761.23
  6. Step 6: Final answer
    x = 287,870.82

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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.