Home / 837,423.38-1,256,105.82-238,387.88

Finding the Fourth Proportional to 837,423.38, 1,256,105.82 and 238,387.88

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Solution

The fourth proportional to 837,423.38, 1,256,105.82 and 238,387.88 is: 357,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,423.38 : 1,256,105.82 = 238,387.88 : x
  2. Step 2: Convert to fraction form
    837,423.38/1,256,105.82 = 238,387.88/x
  3. Step 3: Cross multiply
    837,423.38x = 1,256,105.82 × 238,387.88
  4. Step 4: Simplify right side
    837,423.38x = 299,440,403,485.46
  5. Step 5: Solve for x
    x = 299,440,403,485.46/837,423.38
  6. Step 6: Final answer
    x = 357,573.49

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1.5x scale

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.