Home / 1,198,511.08-1,653,934.36-654,646.78

Finding the Fourth Proportional to 1,198,511.08, 1,653,934.36 and 654,646.78

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Solution

The fourth proportional to 1,198,511.08, 1,653,934.36 and 654,646.78 is: 903,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,511.08 : 1,653,934.36 = 654,646.78 : x
  2. Step 2: Convert to fraction form
    1,198,511.08/1,653,934.36 = 654,646.78/x
  3. Step 3: Cross multiply
    1,198,511.08x = 1,653,934.36 × 654,646.78
  4. Step 4: Simplify right side
    1,198,511.08x = 1,082,742,803,105.36
  5. Step 5: Solve for x
    x = 1,082,742,803,105.36/1,198,511.08
  6. Step 6: Final answer
    x = 903,406.59

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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.