Home / 1,087,211.49-1,500,371.88-603,821.73

Finding the Fourth Proportional to 1,087,211.49, 1,500,371.88 and 603,821.73

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Solution

The fourth proportional to 1,087,211.49, 1,500,371.88 and 603,821.73 is: 833,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,211.49 : 1,500,371.88 = 603,821.73 : x
  2. Step 2: Convert to fraction form
    1,087,211.49/1,500,371.88 = 603,821.73/x
  3. Step 3: Cross multiply
    1,087,211.49x = 1,500,371.88 × 603,821.73
  4. Step 4: Simplify right side
    1,087,211.49x = 905,957,144,224.95
  5. Step 5: Solve for x
    x = 905,957,144,224.95/1,087,211.49
  6. Step 6: Final answer
    x = 833,285.11

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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.