Home / 1,728,358.20-2,590,463.70-886,476.60

Finding the Fourth Proportional to 1,728,358.20, 2,590,463.70 and 886,476.60

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Solution

The fourth proportional to 1,728,358.20, 2,590,463.70 and 886,476.60 is: 1,328,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,358.20 : 2,590,463.70 = 886,476.60 : x
  2. Step 2: Convert to fraction form
    1,728,358.20/2,590,463.70 = 886,476.60/x
  3. Step 3: Cross multiply
    1,728,358.20x = 2,590,463.70 × 886,476.60
  4. Step 4: Simplify right side
    1,728,358.20x = 2,296,385,453,199.42
  5. Step 5: Solve for x
    x = 2,296,385,453,199.42/1,728,358.20
  6. Step 6: Final answer
    x = 1,328,651.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.