Home / 1,206,513.28-1,663,868.48-776,033.92

Finding the Fourth Proportional to 1,206,513.28, 1,663,868.48 and 776,033.92

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Solution

The fourth proportional to 1,206,513.28, 1,663,868.48 and 776,033.92 is: 1,070,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,513.28 : 1,663,868.48 = 776,033.92 : x
  2. Step 2: Convert to fraction form
    1,206,513.28/1,663,868.48 = 776,033.92/x
  3. Step 3: Cross multiply
    1,206,513.28x = 1,663,868.48 × 776,033.92
  4. Step 4: Simplify right side
    1,206,513.28x = 1,291,218,378,898.84
  5. Step 5: Solve for x
    x = 1,291,218,378,898.84/1,206,513.28
  6. Step 6: Final answer
    x = 1,070,206.52

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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.