Home / 1,149,592.77-1,586,438.46-666,438.00

Finding the Fourth Proportional to 1,149,592.77, 1,586,438.46 and 666,438.00

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Solution

The fourth proportional to 1,149,592.77, 1,586,438.46 and 666,438.00 is: 919,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,592.77 : 1,586,438.46 = 666,438.00 : x
  2. Step 2: Convert to fraction form
    1,149,592.77/1,586,438.46 = 666,438.00/x
  3. Step 3: Cross multiply
    1,149,592.77x = 1,586,438.46 × 666,438.00
  4. Step 4: Simplify right side
    1,149,592.77x = 1,057,262,868,456.34
  5. Step 5: Solve for x
    x = 1,057,262,868,456.34/1,149,592.77
  6. Step 6: Final answer
    x = 919,684.69

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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.