Home / 826,353.26-1,240,054.24-353,042.18

Finding the Fourth Proportional to 826,353.26, 1,240,054.24 and 353,042.18

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Solution

The fourth proportional to 826,353.26, 1,240,054.24 and 353,042.18 is: 529,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,353.26 : 1,240,054.24 = 353,042.18 : x
  2. Step 2: Convert to fraction form
    826,353.26/1,240,054.24 = 353,042.18/x
  3. Step 3: Cross multiply
    826,353.26x = 1,240,054.24 × 353,042.18
  4. Step 4: Simplify right side
    826,353.26x = 437,791,452,207.84
  5. Step 5: Solve for x
    x = 437,791,452,207.84/826,353.26
  6. Step 6: Final answer
    x = 529,787.29

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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.