Home / 1,188,573.75-1,783,123.07-440,619.75

Finding the Fourth Proportional to 1,188,573.75, 1,783,123.07 and 440,619.75

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Solution

The fourth proportional to 1,188,573.75, 1,783,123.07 and 440,619.75 is: 661,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,573.75 : 1,783,123.07 = 440,619.75 : x
  2. Step 2: Convert to fraction form
    1,188,573.75/1,783,123.07 = 440,619.75/x
  3. Step 3: Cross multiply
    1,188,573.75x = 1,783,123.07 × 440,619.75
  4. Step 4: Simplify right side
    1,188,573.75x = 785,679,239,119.53
  5. Step 5: Solve for x
    x = 785,679,239,119.53/1,188,573.75
  6. Step 6: Final answer
    x = 661,026.91

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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.