Home / 1,486,971.84-2,230,448.04-422,014.56

Finding the Fourth Proportional to 1,486,971.84, 2,230,448.04 and 422,014.56

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Solution

The fourth proportional to 1,486,971.84, 2,230,448.04 and 422,014.56 is: 633,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,971.84 : 2,230,448.04 = 422,014.56 : x
  2. Step 2: Convert to fraction form
    1,486,971.84/2,230,448.04 = 422,014.56/x
  3. Step 3: Cross multiply
    1,486,971.84x = 2,230,448.04 × 422,014.56
  4. Step 4: Simplify right side
    1,486,971.84x = 941,281,548,203.46
  5. Step 5: Solve for x
    x = 941,281,548,203.46/1,486,971.84
  6. Step 6: Final answer
    x = 633,019.08

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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.