Home / 868,386.03-1,198,354.95-481,198.20

Finding the Fourth Proportional to 868,386.03, 1,198,354.95 and 481,198.20

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Solution

The fourth proportional to 868,386.03, 1,198,354.95 and 481,198.20 is: 664,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,386.03 : 1,198,354.95 = 481,198.20 : x
  2. Step 2: Convert to fraction form
    868,386.03/1,198,354.95 = 481,198.20/x
  3. Step 3: Cross multiply
    868,386.03x = 1,198,354.95 × 481,198.20
  4. Step 4: Simplify right side
    868,386.03x = 576,646,244,901.09
  5. Step 5: Solve for x
    x = 576,646,244,901.09/868,386.03
  6. Step 6: Final answer
    x = 664,043.67

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Double scale
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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.