Home / 838,608.24-1,157,247.78-512,466.60

Finding the Fourth Proportional to 838,608.24, 1,157,247.78 and 512,466.60

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Solution

The fourth proportional to 838,608.24, 1,157,247.78 and 512,466.60 is: 707,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,608.24 : 1,157,247.78 = 512,466.60 : x
  2. Step 2: Convert to fraction form
    838,608.24/1,157,247.78 = 512,466.60/x
  3. Step 3: Cross multiply
    838,608.24x = 1,157,247.78 × 512,466.60
  4. Step 4: Simplify right side
    838,608.24x = 593,050,831,082.56
  5. Step 5: Solve for x
    x = 593,050,831,082.56/838,608.24
  6. Step 6: Final answer
    x = 707,184.60

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1.5x scale

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.