Home / 659,161.18-988,741.76-304,070.14

Finding the Fourth Proportional to 659,161.18, 988,741.76 and 304,070.14

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Solution

The fourth proportional to 659,161.18, 988,741.76 and 304,070.14 is: 456,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,161.18 : 988,741.76 = 304,070.14 : x
  2. Step 2: Convert to fraction form
    659,161.18/988,741.76 = 304,070.14/x
  3. Step 3: Cross multiply
    659,161.18x = 988,741.76 × 304,070.14
  4. Step 4: Simplify right side
    659,161.18x = 300,646,845,387.05
  5. Step 5: Solve for x
    x = 300,646,845,387.05/659,161.18
  6. Step 6: Final answer
    x = 456,105.21

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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.