Home / 1,291,211-1,937,127.72-404,747

Finding the Fourth Proportional to 1,291,211, 1,937,127.72 and 404,747

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Solution

The fourth proportional to 1,291,211, 1,937,127.72 and 404,747 is: 607,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,211 : 1,937,127.72 = 404,747 : x
  2. Step 2: Convert to fraction form
    1,291,211/1,937,127.72 = 404,747/x
  3. Step 3: Cross multiply
    1,291,211x = 1,937,127.72 × 404,747
  4. Step 4: Simplify right side
    1,291,211x = 784,046,633,286.84
  5. Step 5: Solve for x
    x = 784,046,633,286.84/1,291,211
  6. Step 6: Final answer
    x = 607,218.06

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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.