Home / 1,241,261.82-1,861,889.98-330,444.51

Finding the Fourth Proportional to 1,241,261.82, 1,861,889.98 and 330,444.51

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Solution

The fourth proportional to 1,241,261.82, 1,861,889.98 and 330,444.51 is: 495,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,261.82 : 1,861,889.98 = 330,444.51 : x
  2. Step 2: Convert to fraction form
    1,241,261.82/1,861,889.98 = 330,444.51/x
  3. Step 3: Cross multiply
    1,241,261.82x = 1,861,889.98 × 330,444.51
  4. Step 4: Simplify right side
    1,241,261.82x = 615,251,325,943.62
  5. Step 5: Solve for x
    x = 615,251,325,943.62/1,241,261.82
  6. Step 6: Final answer
    x = 495,666.04

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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.