Home / 935,711.80-1,400,943.30-909,467.80

Finding the Fourth Proportional to 935,711.80, 1,400,943.30 and 909,467.80

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Solution

The fourth proportional to 935,711.80, 1,400,943.30 and 909,467.80 is: 1,361,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,711.80 : 1,400,943.30 = 909,467.80 : x
  2. Step 2: Convert to fraction form
    935,711.80/1,400,943.30 = 909,467.80/x
  3. Step 3: Cross multiply
    935,711.80x = 1,400,943.30 × 909,467.80
  4. Step 4: Simplify right side
    935,711.80x = 1,274,112,820,975.74
  5. Step 5: Solve for x
    x = 1,274,112,820,975.74/935,711.80
  6. Step 6: Final answer
    x = 1,361,650.91

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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.