Home / 632,005.10-948,007.65-211,226.30

Finding the Fourth Proportional to 632,005.10, 948,007.65 and 211,226.30

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Solution

The fourth proportional to 632,005.10, 948,007.65 and 211,226.30 is: 316,839.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,005.10 : 948,007.65 = 211,226.30 : x
  2. Step 2: Convert to fraction form
    632,005.10/948,007.65 = 211,226.30/x
  3. Step 3: Cross multiply
    632,005.10x = 948,007.65 × 211,226.30
  4. Step 4: Simplify right side
    632,005.10x = 200,244,148,281.20
  5. Step 5: Solve for x
    x = 200,244,148,281.20/632,005.10
  6. Step 6: Final answer
    x = 316,839.45

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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.