Home / 1,297,789.61-1,946,689.19-399,225.11

Finding the Fourth Proportional to 1,297,789.61, 1,946,689.19 and 399,225.11

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Solution

The fourth proportional to 1,297,789.61, 1,946,689.19 and 399,225.11 is: 598,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,789.61 : 1,946,689.19 = 399,225.11 : x
  2. Step 2: Convert to fraction form
    1,297,789.61/1,946,689.19 = 399,225.11/x
  3. Step 3: Cross multiply
    1,297,789.61x = 1,946,689.19 × 399,225.11
  4. Step 4: Simplify right side
    1,297,789.61x = 777,167,208,884.16
  5. Step 5: Solve for x
    x = 777,167,208,884.16/1,297,789.61
  6. Step 6: Final answer
    x = 598,839.14

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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.