Home / 1,127,109-1,555,410.78-617,814.84

Finding the Fourth Proportional to 1,127,109, 1,555,410.78 and 617,814.84

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Solution

The fourth proportional to 1,127,109, 1,555,410.78 and 617,814.84 is: 852,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,109 : 1,555,410.78 = 617,814.84 : x
  2. Step 2: Convert to fraction form
    1,127,109/1,555,410.78 = 617,814.84/x
  3. Step 3: Cross multiply
    1,127,109x = 1,555,410.78 × 617,814.84
  4. Step 4: Simplify right side
    1,127,109x = 960,955,862,179.98
  5. Step 5: Solve for x
    x = 960,955,862,179.98/1,127,109
  6. Step 6: Final answer
    x = 852,584.68

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1.5x scale

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.