Home / 1,223,994.03-1,689,078.18-680,115.85

Finding the Fourth Proportional to 1,223,994.03, 1,689,078.18 and 680,115.85

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Solution

The fourth proportional to 1,223,994.03, 1,689,078.18 and 680,115.85 is: 938,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,994.03 : 1,689,078.18 = 680,115.85 : x
  2. Step 2: Convert to fraction form
    1,223,994.03/1,689,078.18 = 680,115.85/x
  3. Step 3: Cross multiply
    1,223,994.03x = 1,689,078.18 × 680,115.85
  4. Step 4: Simplify right side
    1,223,994.03x = 1,148,768,840,434.89
  5. Step 5: Solve for x
    x = 1,148,768,840,434.89/1,223,994.03
  6. Step 6: Final answer
    x = 938,541.21

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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.