Home / 886,268.17-1,329,117.94-287,084.85

Finding the Fourth Proportional to 886,268.17, 1,329,117.94 and 287,084.85

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Solution

The fourth proportional to 886,268.17, 1,329,117.94 and 287,084.85 is: 430,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,268.17 : 1,329,117.94 = 287,084.85 : x
  2. Step 2: Convert to fraction form
    886,268.17/1,329,117.94 = 287,084.85/x
  3. Step 3: Cross multiply
    886,268.17x = 1,329,117.94 × 287,084.85
  4. Step 4: Simplify right side
    886,268.17x = 381,569,624,437.21
  5. Step 5: Solve for x
    x = 381,569,624,437.21/886,268.17
  6. Step 6: Final answer
    x = 430,535.18

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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.