Home / 1,149,685.36-1,586,566.28-666,531.76

Finding the Fourth Proportional to 1,149,685.36, 1,586,566.28 and 666,531.76

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Solution

The fourth proportional to 1,149,685.36, 1,586,566.28 and 666,531.76 is: 919,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,685.36 : 1,586,566.28 = 666,531.76 : x
  2. Step 2: Convert to fraction form
    1,149,685.36/1,586,566.28 = 666,531.76/x
  3. Step 3: Cross multiply
    1,149,685.36x = 1,586,566.28 × 666,531.76
  4. Step 4: Simplify right side
    1,149,685.36x = 1,057,496,814,965.05
  5. Step 5: Solve for x
    x = 1,057,496,814,965.05/1,149,685.36
  6. Step 6: Final answer
    x = 919,814.11

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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.