Home / 838,614.52-1,157,256.45-512,472.88

Finding the Fourth Proportional to 838,614.52, 1,157,256.45 and 512,472.88

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Solution

The fourth proportional to 838,614.52, 1,157,256.45 and 512,472.88 is: 707,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,614.52 : 1,157,256.45 = 512,472.88 : x
  2. Step 2: Convert to fraction form
    838,614.52/1,157,256.45 = 512,472.88/x
  3. Step 3: Cross multiply
    838,614.52x = 1,157,256.45 × 512,472.88
  4. Step 4: Simplify right side
    838,614.52x = 593,062,542,936.94
  5. Step 5: Solve for x
    x = 593,062,542,936.94/838,614.52
  6. Step 6: Final answer
    x = 707,193.27

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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.