Home / 831,989.15-1,148,844.89-526,604.26

Finding the Fourth Proportional to 831,989.15, 1,148,844.89 and 526,604.26

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Solution

The fourth proportional to 831,989.15, 1,148,844.89 and 526,604.26 is: 727,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,989.15 : 1,148,844.89 = 526,604.26 : x
  2. Step 2: Convert to fraction form
    831,989.15/1,148,844.89 = 526,604.26/x
  3. Step 3: Cross multiply
    831,989.15x = 1,148,844.89 × 526,604.26
  4. Step 4: Simplify right side
    831,989.15x = 604,986,613,153.23
  5. Step 5: Solve for x
    x = 604,986,613,153.23/831,989.15
  6. Step 6: Final answer
    x = 727,156.85

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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.