Home / 798,923.87-1,101,784.73-624,517.11

Finding the Fourth Proportional to 798,923.87, 1,101,784.73 and 624,517.11

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Solution

The fourth proportional to 798,923.87, 1,101,784.73 and 624,517.11 is: 861,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,923.87 : 1,101,784.73 = 624,517.11 : x
  2. Step 2: Convert to fraction form
    798,923.87/1,101,784.73 = 624,517.11/x
  3. Step 3: Cross multiply
    798,923.87x = 1,101,784.73 × 624,517.11
  4. Step 4: Simplify right side
    798,923.87x = 688,083,412,299.15
  5. Step 5: Solve for x
    x = 688,083,412,299.15/798,923.87
  6. Step 6: Final answer
    x = 861,262.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.