Home / 941,815.36-1,299,721.44-512,098.30

Finding the Fourth Proportional to 941,815.36, 1,299,721.44 and 512,098.30

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Solution

The fourth proportional to 941,815.36, 1,299,721.44 and 512,098.30 is: 706,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,815.36 : 1,299,721.44 = 512,098.30 : x
  2. Step 2: Convert to fraction form
    941,815.36/1,299,721.44 = 512,098.30/x
  3. Step 3: Cross multiply
    941,815.36x = 1,299,721.44 × 512,098.30
  4. Step 4: Simplify right side
    941,815.36x = 665,585,139,897.55
  5. Step 5: Solve for x
    x = 665,585,139,897.55/941,815.36
  6. Step 6: Final answer
    x = 706,704.49

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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.