Home / 831,189.18-1,146,509.19-576,447.42

Finding the Fourth Proportional to 831,189.18, 1,146,509.19 and 576,447.42

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Solution

The fourth proportional to 831,189.18, 1,146,509.19 and 576,447.42 is: 795,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,189.18 : 1,146,509.19 = 576,447.42 : x
  2. Step 2: Convert to fraction form
    831,189.18/1,146,509.19 = 576,447.42/x
  3. Step 3: Cross multiply
    831,189.18x = 1,146,509.19 × 576,447.42
  4. Step 4: Simplify right side
    831,189.18x = 660,902,264,581.79
  5. Step 5: Solve for x
    x = 660,902,264,581.79/831,189.18
  6. Step 6: Final answer
    x = 795,128.57

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