Home / 812,617.06-1,121,039.28-526,229.38

Finding the Fourth Proportional to 812,617.06, 1,121,039.28 and 526,229.38

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Solution

The fourth proportional to 812,617.06, 1,121,039.28 and 526,229.38 is: 725,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,617.06 : 1,121,039.28 = 526,229.38 : x
  2. Step 2: Convert to fraction form
    812,617.06/1,121,039.28 = 526,229.38/x
  3. Step 3: Cross multiply
    812,617.06x = 1,121,039.28 × 526,229.38
  4. Step 4: Simplify right side
    812,617.06x = 589,923,805,270.05
  5. Step 5: Solve for x
    x = 589,923,805,270.05/812,617.06
  6. Step 6: Final answer
    x = 725,955.48

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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.