Home / 895,447.20-1,235,676.96-487,538.76

Finding the Fourth Proportional to 895,447.20, 1,235,676.96 and 487,538.76

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Solution

The fourth proportional to 895,447.20, 1,235,676.96 and 487,538.76 is: 672,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,447.20 : 1,235,676.96 = 487,538.76 : x
  2. Step 2: Convert to fraction form
    895,447.20/1,235,676.96 = 487,538.76/x
  3. Step 3: Cross multiply
    895,447.20x = 1,235,676.96 × 487,538.76
  4. Step 4: Simplify right side
    895,447.20x = 602,440,412,838.97
  5. Step 5: Solve for x
    x = 602,440,412,838.97/895,447.20
  6. Step 6: Final answer
    x = 672,781.61

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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.