Home / 895,305.78-1,235,481.66-487,397.18

Finding the Fourth Proportional to 895,305.78, 1,235,481.66 and 487,397.18

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Solution

The fourth proportional to 895,305.78, 1,235,481.66 and 487,397.18 is: 672,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,305.78 : 1,235,481.66 = 487,397.18 : x
  2. Step 2: Convert to fraction form
    895,305.78/1,235,481.66 = 487,397.18/x
  3. Step 3: Cross multiply
    895,305.78x = 1,235,481.66 × 487,397.18
  4. Step 4: Simplify right side
    895,305.78x = 602,170,277,025.72
  5. Step 5: Solve for x
    x = 602,170,277,025.72/895,305.78
  6. Step 6: Final answer
    x = 672,586.16

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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.