Home / 1,665,987.36-2,498,981.04-403,815

Finding the Fourth Proportional to 1,665,987.36, 2,498,981.04 and 403,815

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Solution

The fourth proportional to 1,665,987.36, 2,498,981.04 and 403,815 is: 605,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,987.36 : 2,498,981.04 = 403,815 : x
  2. Step 2: Convert to fraction form
    1,665,987.36/2,498,981.04 = 403,815/x
  3. Step 3: Cross multiply
    1,665,987.36x = 2,498,981.04 × 403,815
  4. Step 4: Simplify right side
    1,665,987.36x = 1,009,126,028,667.60
  5. Step 5: Solve for x
    x = 1,009,126,028,667.60/1,665,987.36
  6. Step 6: Final answer
    x = 605,722.50

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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.