Home / 1,215,226.80-1,677,114.72-705,898.80

Finding the Fourth Proportional to 1,215,226.80, 1,677,114.72 and 705,898.80

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Solution

The fourth proportional to 1,215,226.80, 1,677,114.72 and 705,898.80 is: 974,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,226.80 : 1,677,114.72 = 705,898.80 : x
  2. Step 2: Convert to fraction form
    1,215,226.80/1,677,114.72 = 705,898.80/x
  3. Step 3: Cross multiply
    1,215,226.80x = 1,677,114.72 × 705,898.80
  4. Step 4: Simplify right side
    1,215,226.80x = 1,183,873,268,310.34
  5. Step 5: Solve for x
    x = 1,183,873,268,310.34/1,215,226.80
  6. Step 6: Final answer
    x = 974,199.44

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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.