Home / 941,786.40-1,412,648.40-409,308.08

Finding the Fourth Proportional to 941,786.40, 1,412,648.40 and 409,308.08

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Solution

The fourth proportional to 941,786.40, 1,412,648.40 and 409,308.08 is: 613,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,786.40 : 1,412,648.40 = 409,308.08 : x
  2. Step 2: Convert to fraction form
    941,786.40/1,412,648.40 = 409,308.08/x
  3. Step 3: Cross multiply
    941,786.40x = 1,412,648.40 × 409,308.08
  4. Step 4: Simplify right side
    941,786.40x = 578,208,404,319.07
  5. Step 5: Solve for x
    x = 578,208,404,319.07/941,786.40
  6. Step 6: Final answer
    x = 613,948.56

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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.