Home / 831,911.40-1,248,383.71-532,606.79

Finding the Fourth Proportional to 831,911.40, 1,248,383.71 and 532,606.79

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Solution

The fourth proportional to 831,911.40, 1,248,383.71 and 532,606.79 is: 799,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,911.40 : 1,248,383.71 = 532,606.79 : x
  2. Step 2: Convert to fraction form
    831,911.40/1,248,383.71 = 532,606.79/x
  3. Step 3: Cross multiply
    831,911.40x = 1,248,383.71 × 532,606.79
  4. Step 4: Simplify right side
    831,911.40x = 664,897,632,897.96
  5. Step 5: Solve for x
    x = 664,897,632,897.96/831,911.40
  6. Step 6: Final answer
    x = 799,240.92

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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.