Home / 1,005,400.07-1,388,861.91-914,595.83

Finding the Fourth Proportional to 1,005,400.07, 1,388,861.91 and 914,595.83

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Solution

The fourth proportional to 1,005,400.07, 1,388,861.91 and 914,595.83 is: 1,263,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,400.07 : 1,388,861.91 = 914,595.83 : x
  2. Step 2: Convert to fraction form
    1,005,400.07/1,388,861.91 = 914,595.83/x
  3. Step 3: Cross multiply
    1,005,400.07x = 1,388,861.91 × 914,595.83
  4. Step 4: Simplify right side
    1,005,400.07x = 1,270,247,311,331.84
  5. Step 5: Solve for x
    x = 1,270,247,311,331.84/1,005,400.07
  6. Step 6: Final answer
    x = 1,263,424.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.