Home / 1,182,221.20-1,773,331.80-683,328.40

Finding the Fourth Proportional to 1,182,221.20, 1,773,331.80 and 683,328.40

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Solution

The fourth proportional to 1,182,221.20, 1,773,331.80 and 683,328.40 is: 1,024,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,221.20 : 1,773,331.80 = 683,328.40 : x
  2. Step 2: Convert to fraction form
    1,182,221.20/1,773,331.80 = 683,328.40/x
  3. Step 3: Cross multiply
    1,182,221.20x = 1,773,331.80 × 683,328.40
  4. Step 4: Simplify right side
    1,182,221.20x = 1,211,767,981,563.12
  5. Step 5: Solve for x
    x = 1,211,767,981,563.12/1,182,221.20
  6. Step 6: Final answer
    x = 1,024,992.60

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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.