Home / 1,108,527.70-1,662,791.55-398,168.23

Finding the Fourth Proportional to 1,108,527.70, 1,662,791.55 and 398,168.23

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Solution

The fourth proportional to 1,108,527.70, 1,662,791.55 and 398,168.23 is: 597,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,527.70 : 1,662,791.55 = 398,168.23 : x
  2. Step 2: Convert to fraction form
    1,108,527.70/1,662,791.55 = 398,168.23/x
  3. Step 3: Cross multiply
    1,108,527.70x = 1,662,791.55 × 398,168.23
  4. Step 4: Simplify right side
    1,108,527.70x = 662,070,768,322.46
  5. Step 5: Solve for x
    x = 662,070,768,322.46/1,108,527.70
  6. Step 6: Final answer
    x = 597,252.35

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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.