Home / 1,259,468.80-1,889,471.57-406,588.92

Finding the Fourth Proportional to 1,259,468.80, 1,889,471.57 and 406,588.92

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Solution

The fourth proportional to 1,259,468.80, 1,889,471.57 and 406,588.92 is: 609,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,468.80 : 1,889,471.57 = 406,588.92 : x
  2. Step 2: Convert to fraction form
    1,259,468.80/1,889,471.57 = 406,588.92/x
  3. Step 3: Cross multiply
    1,259,468.80x = 1,889,471.57 × 406,588.92
  4. Step 4: Simplify right side
    1,259,468.80x = 768,238,202,984.06
  5. Step 5: Solve for x
    x = 768,238,202,984.06/1,259,468.80
  6. Step 6: Final answer
    x = 609,970.01

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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.