Home / 826,919.62-1,238,718.63-377,021.60

Finding the Fourth Proportional to 826,919.62, 1,238,718.63 and 377,021.60

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Solution

The fourth proportional to 826,919.62, 1,238,718.63 and 377,021.60 is: 564,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,919.62 : 1,238,718.63 = 377,021.60 : x
  2. Step 2: Convert to fraction form
    826,919.62/1,238,718.63 = 377,021.60/x
  3. Step 3: Cross multiply
    826,919.62x = 1,238,718.63 × 377,021.60
  4. Step 4: Simplify right side
    826,919.62x = 467,023,679,832.41
  5. Step 5: Solve for x
    x = 467,023,679,832.41/826,919.62
  6. Step 6: Final answer
    x = 564,775.18

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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.