Home / 817,963.83-1,128,618.97-473,675.86

Finding the Fourth Proportional to 817,963.83, 1,128,618.97 and 473,675.86

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Solution

The fourth proportional to 817,963.83, 1,128,618.97 and 473,675.86 is: 653,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,963.83 : 1,128,618.97 = 473,675.86 : x
  2. Step 2: Convert to fraction form
    817,963.83/1,128,618.97 = 473,675.86/x
  3. Step 3: Cross multiply
    817,963.83x = 1,128,618.97 × 473,675.86
  4. Step 4: Simplify right side
    817,963.83x = 534,599,561,227.06
  5. Step 5: Solve for x
    x = 534,599,561,227.06/817,963.83
  6. Step 6: Final answer
    x = 653,573.60

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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.