Home / 812,619.06-1,121,042.04-526,231.38

Finding the Fourth Proportional to 812,619.06, 1,121,042.04 and 526,231.38

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Solution

The fourth proportional to 812,619.06, 1,121,042.04 and 526,231.38 is: 725,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,619.06 : 1,121,042.04 = 526,231.38 : x
  2. Step 2: Convert to fraction form
    812,619.06/1,121,042.04 = 526,231.38/x
  3. Step 3: Cross multiply
    812,619.06x = 1,121,042.04 × 526,231.38
  4. Step 4: Simplify right side
    812,619.06x = 589,927,499,747.22
  5. Step 5: Solve for x
    x = 589,927,499,747.22/812,619.06
  6. Step 6: Final answer
    x = 725,958.24

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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.