Home / 921,196.31-1,381,794.48-359,837.15

Finding the Fourth Proportional to 921,196.31, 1,381,794.48 and 359,837.15

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Solution

The fourth proportional to 921,196.31, 1,381,794.48 and 359,837.15 is: 539,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,196.31 : 1,381,794.48 = 359,837.15 : x
  2. Step 2: Convert to fraction form
    921,196.31/1,381,794.48 = 359,837.15/x
  3. Step 3: Cross multiply
    921,196.31x = 1,381,794.48 × 359,837.15
  4. Step 4: Simplify right side
    921,196.31x = 497,220,980,659.96
  5. Step 5: Solve for x
    x = 497,220,980,659.96/921,196.31
  6. Step 6: Final answer
    x = 539,755.73

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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.