Home / 566,087.54-781,196.20-321,118.83

Finding the Fourth Proportional to 566,087.54, 781,196.20 and 321,118.83

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Solution

The fourth proportional to 566,087.54, 781,196.20 and 321,118.83 is: 443,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,087.54 : 781,196.20 = 321,118.83 : x
  2. Step 2: Convert to fraction form
    566,087.54/781,196.20 = 321,118.83/x
  3. Step 3: Cross multiply
    566,087.54x = 781,196.20 × 321,118.83
  4. Step 4: Simplify right side
    566,087.54x = 250,856,808,941.65
  5. Step 5: Solve for x
    x = 250,856,808,941.65/566,087.54
  6. Step 6: Final answer
    x = 443,141.38

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Half scale
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Double scale
Find fourth proportional to 566,088.54, 781,197.58 and 321,119.83
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.