Home / 883,135.20-1,325,048.40-322,226.40

Finding the Fourth Proportional to 883,135.20, 1,325,048.40 and 322,226.40

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Solution

The fourth proportional to 883,135.20, 1,325,048.40 and 322,226.40 is: 483,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,135.20 : 1,325,048.40 = 322,226.40 : x
  2. Step 2: Convert to fraction form
    883,135.20/1,325,048.40 = 322,226.40/x
  3. Step 3: Cross multiply
    883,135.20x = 1,325,048.40 × 322,226.40
  4. Step 4: Simplify right side
    883,135.20x = 426,965,575,757.76
  5. Step 5: Solve for x
    x = 426,965,575,757.76/883,135.20
  6. Step 6: Final answer
    x = 483,465.70

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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.