Home / 1,623,360.57-2,432,711.70-911,891.21

Finding the Fourth Proportional to 1,623,360.57, 2,432,711.70 and 911,891.21

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Solution

The fourth proportional to 1,623,360.57, 2,432,711.70 and 911,891.21 is: 1,366,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,360.57 : 2,432,711.70 = 911,891.21 : x
  2. Step 2: Convert to fraction form
    1,623,360.57/2,432,711.70 = 911,891.21/x
  3. Step 3: Cross multiply
    1,623,360.57x = 2,432,711.70 × 911,891.21
  4. Step 4: Simplify right side
    1,623,360.57x = 2,218,368,403,530.60
  5. Step 5: Solve for x
    x = 2,218,368,403,530.60/1,623,360.57
  6. Step 6: Final answer
    x = 1,366,528.45

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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.