Home / 750,687.75-1,123,206.55-526,485.83

Finding the Fourth Proportional to 750,687.75, 1,123,206.55 and 526,485.83

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Solution

The fourth proportional to 750,687.75, 1,123,206.55 and 526,485.83 is: 787,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,687.75 : 1,123,206.55 = 526,485.83 : x
  2. Step 2: Convert to fraction form
    750,687.75/1,123,206.55 = 526,485.83/x
  3. Step 3: Cross multiply
    750,687.75x = 1,123,206.55 × 526,485.83
  4. Step 4: Simplify right side
    750,687.75x = 591,352,325,805.94
  5. Step 5: Solve for x
    x = 591,352,325,805.94/750,687.75
  6. Step 6: Final answer
    x = 787,747.40

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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.