Home / 1,244,081.96-1,866,034.02-485,781.40

Finding the Fourth Proportional to 1,244,081.96, 1,866,034.02 and 485,781.40

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Solution

The fourth proportional to 1,244,081.96, 1,866,034.02 and 485,781.40 is: 728,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,081.96 : 1,866,034.02 = 485,781.40 : x
  2. Step 2: Convert to fraction form
    1,244,081.96/1,866,034.02 = 485,781.40/x
  3. Step 3: Cross multiply
    1,244,081.96x = 1,866,034.02 × 485,781.40
  4. Step 4: Simplify right side
    1,244,081.96x = 906,484,618,683.23
  5. Step 5: Solve for x
    x = 906,484,618,683.23/1,244,081.96
  6. Step 6: Final answer
    x = 728,637.38

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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.