Home / 855,153.72-1,283,102.61-536,036.85

Finding the Fourth Proportional to 855,153.72, 1,283,102.61 and 536,036.85

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Solution

The fourth proportional to 855,153.72, 1,283,102.61 and 536,036.85 is: 804,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,153.72 : 1,283,102.61 = 536,036.85 : x
  2. Step 2: Convert to fraction form
    855,153.72/1,283,102.61 = 536,036.85/x
  3. Step 3: Cross multiply
    855,153.72x = 1,283,102.61 × 536,036.85
  4. Step 4: Simplify right side
    855,153.72x = 687,790,281,291.18
  5. Step 5: Solve for x
    x = 687,790,281,291.18/855,153.72
  6. Step 6: Final answer
    x = 804,288.47

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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.