Home / 777,936.60-1,166,904.90-620,472.60

Finding the Fourth Proportional to 777,936.60, 1,166,904.90 and 620,472.60

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Solution

The fourth proportional to 777,936.60, 1,166,904.90 and 620,472.60 is: 930,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,936.60 : 1,166,904.90 = 620,472.60 : x
  2. Step 2: Convert to fraction form
    777,936.60/1,166,904.90 = 620,472.60/x
  3. Step 3: Cross multiply
    777,936.60x = 1,166,904.90 × 620,472.60
  4. Step 4: Simplify right side
    777,936.60x = 724,032,517,255.74
  5. Step 5: Solve for x
    x = 724,032,517,255.74/777,936.60
  6. Step 6: Final answer
    x = 930,708.90

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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.