Home / 867,091.16-1,196,586.84-485,118.24

Finding the Fourth Proportional to 867,091.16, 1,196,586.84 and 485,118.24

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Solution

The fourth proportional to 867,091.16, 1,196,586.84 and 485,118.24 is: 669,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,091.16 : 1,196,586.84 = 485,118.24 : x
  2. Step 2: Convert to fraction form
    867,091.16/1,196,586.84 = 485,118.24/x
  3. Step 3: Cross multiply
    867,091.16x = 1,196,586.84 × 485,118.24
  4. Step 4: Simplify right side
    867,091.16x = 580,486,101,827.96
  5. Step 5: Solve for x
    x = 580,486,101,827.96/867,091.16
  6. Step 6: Final answer
    x = 669,463.76

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Double scale
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Similar ratio
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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.