Home / 997,171.47-1,376,077.68-609,958.53

Finding the Fourth Proportional to 997,171.47, 1,376,077.68 and 609,958.53

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Solution

The fourth proportional to 997,171.47, 1,376,077.68 and 609,958.53 is: 841,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,171.47 : 1,376,077.68 = 609,958.53 : x
  2. Step 2: Convert to fraction form
    997,171.47/1,376,077.68 = 609,958.53/x
  3. Step 3: Cross multiply
    997,171.47x = 1,376,077.68 × 609,958.53
  4. Step 4: Simplify right side
    997,171.47x = 839,350,318,858.61
  5. Step 5: Solve for x
    x = 839,350,318,858.61/997,171.47
  6. Step 6: Final answer
    x = 841,731.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.