Home / 675,928.53-932,717.57-403,942.28

Finding the Fourth Proportional to 675,928.53, 932,717.57 and 403,942.28

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Solution

The fourth proportional to 675,928.53, 932,717.57 and 403,942.28 is: 557,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,928.53 : 932,717.57 = 403,942.28 : x
  2. Step 2: Convert to fraction form
    675,928.53/932,717.57 = 403,942.28/x
  3. Step 3: Cross multiply
    675,928.53x = 932,717.57 × 403,942.28
  4. Step 4: Simplify right side
    675,928.53x = 376,764,058,168.13
  5. Step 5: Solve for x
    x = 376,764,058,168.13/675,928.53
  6. Step 6: Final answer
    x = 557,402.21

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1.5x scale

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.