Home / 1,259,573.08-1,889,727.72-406,624.72

Finding the Fourth Proportional to 1,259,573.08, 1,889,727.72 and 406,624.72

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Solution

The fourth proportional to 1,259,573.08, 1,889,727.72 and 406,624.72 is: 610,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,573.08 : 1,889,727.72 = 406,624.72 : x
  2. Step 2: Convert to fraction form
    1,259,573.08/1,889,727.72 = 406,624.72/x
  3. Step 3: Cross multiply
    1,259,573.08x = 1,889,727.72 × 406,624.72
  4. Step 4: Simplify right side
    1,259,573.08x = 768,410,005,021.24
  5. Step 5: Solve for x
    x = 768,410,005,021.24/1,259,573.08
  6. Step 6: Final answer
    x = 610,055.91

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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.