Home / 831,706.10-1,248,142.35-532,913.30

Finding the Fourth Proportional to 831,706.10, 1,248,142.35 and 532,913.30

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Solution

The fourth proportional to 831,706.10, 1,248,142.35 and 532,913.30 is: 799,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,706.10 : 1,248,142.35 = 532,913.30 : x
  2. Step 2: Convert to fraction form
    831,706.10/1,248,142.35 = 532,913.30/x
  3. Step 3: Cross multiply
    831,706.10x = 1,248,142.35 × 532,913.30
  4. Step 4: Simplify right side
    831,706.10x = 665,151,658,608.26
  5. Step 5: Solve for x
    x = 665,151,658,608.26/831,706.10
  6. Step 6: Final answer
    x = 799,743.63

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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.