Home / 1,104,213.43-1,523,805.36-620,780.72

Finding the Fourth Proportional to 1,104,213.43, 1,523,805.36 and 620,780.72

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Solution

The fourth proportional to 1,104,213.43, 1,523,805.36 and 620,780.72 is: 856,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,213.43 : 1,523,805.36 = 620,780.72 : x
  2. Step 2: Convert to fraction form
    1,104,213.43/1,523,805.36 = 620,780.72/x
  3. Step 3: Cross multiply
    1,104,213.43x = 1,523,805.36 × 620,780.72
  4. Step 4: Simplify right side
    1,104,213.43x = 945,948,988,520.66
  5. Step 5: Solve for x
    x = 945,948,988,520.66/1,104,213.43
  6. Step 6: Final answer
    x = 856,672.24

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Double scale
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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.