Home / 1,340,851.70-2,011,083.15-394,123.70

Finding the Fourth Proportional to 1,340,851.70, 2,011,083.15 and 394,123.70

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Solution

The fourth proportional to 1,340,851.70, 2,011,083.15 and 394,123.70 is: 591,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,851.70 : 2,011,083.15 = 394,123.70 : x
  2. Step 2: Convert to fraction form
    1,340,851.70/2,011,083.15 = 394,123.70/x
  3. Step 3: Cross multiply
    1,340,851.70x = 2,011,083.15 × 394,123.70
  4. Step 4: Simplify right side
    1,340,851.70x = 792,615,532,085.66
  5. Step 5: Solve for x
    x = 792,615,532,085.66/1,340,851.70
  6. Step 6: Final answer
    x = 591,128.41

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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.