Home / 846,123.30-1,271,258.55-636,171.30

Finding the Fourth Proportional to 846,123.30, 1,271,258.55 and 636,171.30

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Solution

The fourth proportional to 846,123.30, 1,271,258.55 and 636,171.30 is: 955,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,123.30 : 1,271,258.55 = 636,171.30 : x
  2. Step 2: Convert to fraction form
    846,123.30/1,271,258.55 = 636,171.30/x
  3. Step 3: Cross multiply
    846,123.30x = 1,271,258.55 × 636,171.30
  4. Step 4: Simplify right side
    846,123.30x = 808,738,204,389.62
  5. Step 5: Solve for x
    x = 808,738,204,389.62/846,123.30
  6. Step 6: Final answer
    x = 955,816.02

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Double scale
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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.