Home / 782,677.56-1,174,240.50-383,435.24

Finding the Fourth Proportional to 782,677.56, 1,174,240.50 and 383,435.24

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Solution

The fourth proportional to 782,677.56, 1,174,240.50 and 383,435.24 is: 575,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,677.56 : 1,174,240.50 = 383,435.24 : x
  2. Step 2: Convert to fraction form
    782,677.56/1,174,240.50 = 383,435.24/x
  3. Step 3: Cross multiply
    782,677.56x = 1,174,240.50 × 383,435.24
  4. Step 4: Simplify right side
    782,677.56x = 450,245,187,935.22
  5. Step 5: Solve for x
    x = 450,245,187,935.22/782,677.56
  6. Step 6: Final answer
    x = 575,262.68

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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.