Home / 1,071,044.73-1,478,029.55-618,326.01

Finding the Fourth Proportional to 1,071,044.73, 1,478,029.55 and 618,326.01

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Solution

The fourth proportional to 1,071,044.73, 1,478,029.55 and 618,326.01 is: 853,282.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,044.73 : 1,478,029.55 = 618,326.01 : x
  2. Step 2: Convert to fraction form
    1,071,044.73/1,478,029.55 = 618,326.01/x
  3. Step 3: Cross multiply
    1,071,044.73x = 1,478,029.55 × 618,326.01
  4. Step 4: Simplify right side
    1,071,044.73x = 913,904,111,221.97
  5. Step 5: Solve for x
    x = 913,904,111,221.97/1,071,044.73
  6. Step 6: Final answer
    x = 853,282.86

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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.