Home / 986,603.78-1,361,514.42-533,894.78

Finding the Fourth Proportional to 986,603.78, 1,361,514.42 and 533,894.78

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Solution

The fourth proportional to 986,603.78, 1,361,514.42 and 533,894.78 is: 736,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,603.78 : 1,361,514.42 = 533,894.78 : x
  2. Step 2: Convert to fraction form
    986,603.78/1,361,514.42 = 533,894.78/x
  3. Step 3: Cross multiply
    986,603.78x = 1,361,514.42 × 533,894.78
  4. Step 4: Simplify right side
    986,603.78x = 726,905,441,732.73
  5. Step 5: Solve for x
    x = 726,905,441,732.73/986,603.78
  6. Step 6: Final answer
    x = 736,775.45

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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.