Home / 817,099.98-1,225,682.91-284,674.92

Finding the Fourth Proportional to 817,099.98, 1,225,682.91 and 284,674.92

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Solution

The fourth proportional to 817,099.98, 1,225,682.91 and 284,674.92 is: 427,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,099.98 : 1,225,682.91 = 284,674.92 : x
  2. Step 2: Convert to fraction form
    817,099.98/1,225,682.91 = 284,674.92/x
  3. Step 3: Cross multiply
    817,099.98x = 1,225,682.91 × 284,674.92
  4. Step 4: Simplify right side
    817,099.98x = 348,921,184,349.62
  5. Step 5: Solve for x
    x = 348,921,184,349.62/817,099.98
  6. Step 6: Final answer
    x = 427,023.86

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.