Home / 1,203,387.39-1,660,639.19-659,511.27

Finding the Fourth Proportional to 1,203,387.39, 1,660,639.19 and 659,511.27

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Solution

The fourth proportional to 1,203,387.39, 1,660,639.19 and 659,511.27 is: 910,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,387.39 : 1,660,639.19 = 659,511.27 : x
  2. Step 2: Convert to fraction form
    1,203,387.39/1,660,639.19 = 659,511.27/x
  3. Step 3: Cross multiply
    1,203,387.39x = 1,660,639.19 × 659,511.27
  4. Step 4: Simplify right side
    1,203,387.39x = 1,095,210,257,911.12
  5. Step 5: Solve for x
    x = 1,095,210,257,911.12/1,203,387.39
  6. Step 6: Final answer
    x = 910,106.14

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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.