Home / 1,218,731.16-1,827,889-365,571.52

Finding the Fourth Proportional to 1,218,731.16, 1,827,889 and 365,571.52

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Solution

The fourth proportional to 1,218,731.16, 1,827,889 and 365,571.52 is: 548,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,731.16 : 1,827,889 = 365,571.52 : x
  2. Step 2: Convert to fraction form
    1,218,731.16/1,827,889 = 365,571.52/x
  3. Step 3: Cross multiply
    1,218,731.16x = 1,827,889 × 365,571.52
  4. Step 4: Simplify right side
    1,218,731.16x = 668,224,160,121.28
  5. Step 5: Solve for x
    x = 668,224,160,121.28/1,218,731.16
  6. Step 6: Final answer
    x = 548,294.97

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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.