Home / 1,397,552.52-1,928,428.02-785,618.76

Finding the Fourth Proportional to 1,397,552.52, 1,928,428.02 and 785,618.76

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Solution

The fourth proportional to 1,397,552.52, 1,928,428.02 and 785,618.76 is: 1,084,044.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,552.52 : 1,928,428.02 = 785,618.76 : x
  2. Step 2: Convert to fraction form
    1,397,552.52/1,928,428.02 = 785,618.76/x
  3. Step 3: Cross multiply
    1,397,552.52x = 1,928,428.02 × 785,618.76
  4. Step 4: Simplify right side
    1,397,552.52x = 1,515,009,229,821.66
  5. Step 5: Solve for x
    x = 1,515,009,229,821.66/1,397,552.52
  6. Step 6: Final answer
    x = 1,084,044.58

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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.