Home / 1,487,081.04-2,230,617.12-422,124

Finding the Fourth Proportional to 1,487,081.04, 2,230,617.12 and 422,124

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Solution

The fourth proportional to 1,487,081.04, 2,230,617.12 and 422,124 is: 633,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,081.04 : 2,230,617.12 = 422,124 : x
  2. Step 2: Convert to fraction form
    1,487,081.04/2,230,617.12 = 422,124/x
  3. Step 3: Cross multiply
    1,487,081.04x = 2,230,617.12 × 422,124
  4. Step 4: Simplify right side
    1,487,081.04x = 941,597,021,162.88
  5. Step 5: Solve for x
    x = 941,597,021,162.88/1,487,081.04
  6. Step 6: Final answer
    x = 633,184.74

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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.