Home / 497,981.93-747,161.62-298,445.51

Finding the Fourth Proportional to 497,981.93, 747,161.62 and 298,445.51

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Solution

The fourth proportional to 497,981.93, 747,161.62 and 298,445.51 is: 447,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,981.93 : 747,161.62 = 298,445.51 : x
  2. Step 2: Convert to fraction form
    497,981.93/747,161.62 = 298,445.51/x
  3. Step 3: Cross multiply
    497,981.93x = 747,161.62 × 298,445.51
  4. Step 4: Simplify right side
    497,981.93x = 222,987,031,855.12
  5. Step 5: Solve for x
    x = 222,987,031,855.12/497,981.93
  6. Step 6: Final answer
    x = 447,781.38

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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.