Home / 855,665.85-1,281,653.43-805,360.53

Finding the Fourth Proportional to 855,665.85, 1,281,653.43 and 805,360.53

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Solution

The fourth proportional to 855,665.85, 1,281,653.43 and 805,360.53 is: 1,206,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,665.85 : 1,281,653.43 = 805,360.53 : x
  2. Step 2: Convert to fraction form
    855,665.85/1,281,653.43 = 805,360.53/x
  3. Step 3: Cross multiply
    855,665.85x = 1,281,653.43 × 805,360.53
  4. Step 4: Simplify right side
    855,665.85x = 1,032,193,085,661.12
  5. Step 5: Solve for x
    x = 1,032,193,085,661.12/855,665.85
  6. Step 6: Final answer
    x = 1,206,303.94

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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.