Home / 1,198,495.28-1,653,913.66-654,631.42

Finding the Fourth Proportional to 1,198,495.28, 1,653,913.66 and 654,631.42

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Solution

The fourth proportional to 1,198,495.28, 1,653,913.66 and 654,631.42 is: 903,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,495.28 : 1,653,913.66 = 654,631.42 : x
  2. Step 2: Convert to fraction form
    1,198,495.28/1,653,913.66 = 654,631.42/x
  3. Step 3: Cross multiply
    1,198,495.28x = 1,653,913.66 × 654,631.42
  4. Step 4: Simplify right side
    1,198,495.28x = 1,082,703,837,897.05
  5. Step 5: Solve for x
    x = 1,082,703,837,897.05/1,198,495.28
  6. Step 6: Final answer
    x = 903,385.98

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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.