Home / 863,218.54-1,191,215.51-476,033.76

Finding the Fourth Proportional to 863,218.54, 1,191,215.51 and 476,033.76

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Solution

The fourth proportional to 863,218.54, 1,191,215.51 and 476,033.76 is: 656,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,218.54 : 1,191,215.51 = 476,033.76 : x
  2. Step 2: Convert to fraction form
    863,218.54/1,191,215.51 = 476,033.76/x
  3. Step 3: Cross multiply
    863,218.54x = 1,191,215.51 × 476,033.76
  4. Step 4: Simplify right side
    863,218.54x = 567,058,799,385.70
  5. Step 5: Solve for x
    x = 567,058,799,385.70/863,218.54
  6. Step 6: Final answer
    x = 656,912.21

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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.