Home / 949,618.93-1,310,477.97-519,939.04

Finding the Fourth Proportional to 949,618.93, 1,310,477.97 and 519,939.04

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Solution

The fourth proportional to 949,618.93, 1,310,477.97 and 519,939.04 is: 717,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,618.93 : 1,310,477.97 = 519,939.04 : x
  2. Step 2: Convert to fraction form
    949,618.93/1,310,477.97 = 519,939.04/x
  3. Step 3: Cross multiply
    949,618.93x = 1,310,477.97 × 519,939.04
  4. Step 4: Simplify right side
    949,618.93x = 681,368,657,662.95
  5. Step 5: Solve for x
    x = 681,368,657,662.95/949,618.93
  6. Step 6: Final answer
    x = 717,517.98

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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.