Home / 460,810.80-691,313.40-194,434.20

Finding the Fourth Proportional to 460,810.80, 691,313.40 and 194,434.20

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Solution

The fourth proportional to 460,810.80, 691,313.40 and 194,434.20 is: 291,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,810.80 : 691,313.40 = 194,434.20 : x
  2. Step 2: Convert to fraction form
    460,810.80/691,313.40 = 194,434.20/x
  3. Step 3: Cross multiply
    460,810.80x = 691,313.40 × 194,434.20
  4. Step 4: Simplify right side
    460,810.80x = 134,414,967,878.28
  5. Step 5: Solve for x
    x = 134,414,967,878.28/460,810.80
  6. Step 6: Final answer
    x = 291,692.31

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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.