Home / 1,149,603.92-1,586,453.85-666,449.18

Finding the Fourth Proportional to 1,149,603.92, 1,586,453.85 and 666,449.18

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Solution

The fourth proportional to 1,149,603.92, 1,586,453.85 and 666,449.18 is: 919,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,603.92 : 1,586,453.85 = 666,449.18 : x
  2. Step 2: Convert to fraction form
    1,149,603.92/1,586,453.85 = 666,449.18/x
  3. Step 3: Cross multiply
    1,149,603.92x = 1,586,453.85 × 666,449.18
  4. Step 4: Simplify right side
    1,149,603.92x = 1,057,290,859,508.07
  5. Step 5: Solve for x
    x = 1,057,290,859,508.07/1,149,603.92
  6. Step 6: Final answer
    x = 919,700.12

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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.