Home / 998,261.52-1,496,543.64-436,876.56

Finding the Fourth Proportional to 998,261.52, 1,496,543.64 and 436,876.56

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Solution

The fourth proportional to 998,261.52, 1,496,543.64 and 436,876.56 is: 654,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,261.52 : 1,496,543.64 = 436,876.56 : x
  2. Step 2: Convert to fraction form
    998,261.52/1,496,543.64 = 436,876.56/x
  3. Step 3: Cross multiply
    998,261.52x = 1,496,543.64 × 436,876.56
  4. Step 4: Simplify right side
    998,261.52x = 653,804,837,333.08
  5. Step 5: Solve for x
    x = 653,804,837,333.08/998,261.52
  6. Step 6: Final answer
    x = 654,943.44

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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.