Home / 1,121,473.38-1,681,794.54-401,702.92

Finding the Fourth Proportional to 1,121,473.38, 1,681,794.54 and 401,702.92

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Solution

The fourth proportional to 1,121,473.38, 1,681,794.54 and 401,702.92 is: 602,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,473.38 : 1,681,794.54 = 401,702.92 : x
  2. Step 2: Convert to fraction form
    1,121,473.38/1,681,794.54 = 401,702.92/x
  3. Step 3: Cross multiply
    1,121,473.38x = 1,681,794.54 × 401,702.92
  4. Step 4: Simplify right side
    1,121,473.38x = 675,581,777,558.06
  5. Step 5: Solve for x
    x = 675,581,777,558.06/1,121,473.38
  6. Step 6: Final answer
    x = 602,405.54

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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.