Home / 645,795.40-968,693.10-566,998.60

Finding the Fourth Proportional to 645,795.40, 968,693.10 and 566,998.60

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Solution

The fourth proportional to 645,795.40, 968,693.10 and 566,998.60 is: 850,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,795.40 : 968,693.10 = 566,998.60 : x
  2. Step 2: Convert to fraction form
    645,795.40/968,693.10 = 566,998.60/x
  3. Step 3: Cross multiply
    645,795.40x = 968,693.10 × 566,998.60
  4. Step 4: Simplify right side
    645,795.40x = 549,247,631,529.66
  5. Step 5: Solve for x
    x = 549,247,631,529.66/645,795.40
  6. Step 6: Final answer
    x = 850,497.90

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Half scale
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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.