Home / 783,378.36-1,175,067.56-517,076.60

Finding the Fourth Proportional to 783,378.36, 1,175,067.56 and 517,076.60

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Solution

The fourth proportional to 783,378.36, 1,175,067.56 and 517,076.60 is: 775,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,378.36 : 1,175,067.56 = 517,076.60 : x
  2. Step 2: Convert to fraction form
    783,378.36/1,175,067.56 = 517,076.60/x
  3. Step 3: Cross multiply
    783,378.36x = 1,175,067.56 × 517,076.60
  4. Step 4: Simplify right side
    783,378.36x = 607,599,938,695.10
  5. Step 5: Solve for x
    x = 607,599,938,695.10/783,378.36
  6. Step 6: Final answer
    x = 775,614.91

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Double scale
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1.5x scale

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.