Home / 1,206,521.89-1,664,595.11-683,161.10

Finding the Fourth Proportional to 1,206,521.89, 1,664,595.11 and 683,161.10

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Solution

The fourth proportional to 1,206,521.89, 1,664,595.11 and 683,161.10 is: 942,532.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,521.89 : 1,664,595.11 = 683,161.10 : x
  2. Step 2: Convert to fraction form
    1,206,521.89/1,664,595.11 = 683,161.10/x
  3. Step 3: Cross multiply
    1,206,521.89x = 1,664,595.11 × 683,161.10
  4. Step 4: Simplify right side
    1,206,521.89x = 1,137,186,630,269.02
  5. Step 5: Solve for x
    x = 1,137,186,630,269.02/1,206,521.89
  6. Step 6: Final answer
    x = 942,532.95

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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.