Home / 835,628.59-1,253,622.78-259,240.18

Finding the Fourth Proportional to 835,628.59, 1,253,622.78 and 259,240.18

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Solution

The fourth proportional to 835,628.59, 1,253,622.78 and 259,240.18 is: 388,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,628.59 : 1,253,622.78 = 259,240.18 : x
  2. Step 2: Convert to fraction form
    835,628.59/1,253,622.78 = 259,240.18/x
  3. Step 3: Cross multiply
    835,628.59x = 1,253,622.78 × 259,240.18
  4. Step 4: Simplify right side
    835,628.59x = 324,989,395,139.30
  5. Step 5: Solve for x
    x = 324,989,395,139.30/835,628.59
  6. Step 6: Final answer
    x = 388,916.08

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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.