Home / 800,854.20-1,200,927.06-239,784.12

Finding the Fourth Proportional to 800,854.20, 1,200,927.06 and 239,784.12

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Solution

The fourth proportional to 800,854.20, 1,200,927.06 and 239,784.12 is: 359,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,854.20 : 1,200,927.06 = 239,784.12 : x
  2. Step 2: Convert to fraction form
    800,854.20/1,200,927.06 = 239,784.12/x
  3. Step 3: Cross multiply
    800,854.20x = 1,200,927.06 × 239,784.12
  4. Step 4: Simplify right side
    800,854.20x = 287,963,238,266.29
  5. Step 5: Solve for x
    x = 287,963,238,266.29/800,854.20
  6. Step 6: Final answer
    x = 359,570.12

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1.5x scale

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.