Home / 1,117,972.73-1,676,606.09-359,645.12

Finding the Fourth Proportional to 1,117,972.73, 1,676,606.09 and 359,645.12

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Solution

The fourth proportional to 1,117,972.73, 1,676,606.09 and 359,645.12 is: 539,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,972.73 : 1,676,606.09 = 359,645.12 : x
  2. Step 2: Convert to fraction form
    1,117,972.73/1,676,606.09 = 359,645.12/x
  3. Step 3: Cross multiply
    1,117,972.73x = 1,676,606.09 × 359,645.12
  4. Step 4: Simplify right side
    1,117,972.73x = 602,983,198,430.78
  5. Step 5: Solve for x
    x = 602,983,198,430.78/1,117,972.73
  6. Step 6: Final answer
    x = 539,354.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.