Home / 1,208,248.17-1,667,388.48-664,419.03

Finding the Fourth Proportional to 1,208,248.17, 1,667,388.48 and 664,419.03

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Solution

The fourth proportional to 1,208,248.17, 1,667,388.48 and 664,419.03 is: 916,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,248.17 : 1,667,388.48 = 664,419.03 : x
  2. Step 2: Convert to fraction form
    1,208,248.17/1,667,388.48 = 664,419.03/x
  3. Step 3: Cross multiply
    1,208,248.17x = 1,667,388.48 × 664,419.03
  4. Step 4: Simplify right side
    1,208,248.17x = 1,107,844,636,514.77
  5. Step 5: Solve for x
    x = 1,107,844,636,514.77/1,208,248.17
  6. Step 6: Final answer
    x = 916,901.56

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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.