Home / 1,149,551.31-1,586,381.11-666,397.65

Finding the Fourth Proportional to 1,149,551.31, 1,586,381.11 and 666,397.65

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Solution

The fourth proportional to 1,149,551.31, 1,586,381.11 and 666,397.65 is: 919,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,551.31 : 1,586,381.11 = 666,397.65 : x
  2. Step 2: Convert to fraction form
    1,149,551.31/1,586,381.11 = 666,397.65/x
  3. Step 3: Cross multiply
    1,149,551.31x = 1,586,381.11 × 666,397.65
  4. Step 4: Simplify right side
    1,149,551.31x = 1,057,160,642,042.40
  5. Step 5: Solve for x
    x = 1,057,160,642,042.40/1,149,551.31
  6. Step 6: Final answer
    x = 919,628.93

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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.