Home / 1,544,231.90-2,316,347.85-422,414.30

Finding the Fourth Proportional to 1,544,231.90, 2,316,347.85 and 422,414.30

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Solution

The fourth proportional to 1,544,231.90, 2,316,347.85 and 422,414.30 is: 633,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,231.90 : 2,316,347.85 = 422,414.30 : x
  2. Step 2: Convert to fraction form
    1,544,231.90/2,316,347.85 = 422,414.30/x
  3. Step 3: Cross multiply
    1,544,231.90x = 2,316,347.85 × 422,414.30
  4. Step 4: Simplify right side
    1,544,231.90x = 978,458,455,614.26
  5. Step 5: Solve for x
    x = 978,458,455,614.26/1,544,231.90
  6. Step 6: Final answer
    x = 633,621.45

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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.