Home / 850,920.57-1,174,270.35-468,947.34

Finding the Fourth Proportional to 850,920.57, 1,174,270.35 and 468,947.34

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Solution

The fourth proportional to 850,920.57, 1,174,270.35 and 468,947.34 is: 647,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,920.57 : 1,174,270.35 = 468,947.34 : x
  2. Step 2: Convert to fraction form
    850,920.57/1,174,270.35 = 468,947.34/x
  3. Step 3: Cross multiply
    850,920.57x = 1,174,270.35 × 468,947.34
  4. Step 4: Simplify right side
    850,920.57x = 550,670,957,073.37
  5. Step 5: Solve for x
    x = 550,670,957,073.37/850,920.57
  6. Step 6: Final answer
    x = 647,147.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.