Home / 538,899.70-743,686.77-297,190.84

Finding the Fourth Proportional to 538,899.70, 743,686.77 and 297,190.84

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Solution

The fourth proportional to 538,899.70, 743,686.77 and 297,190.84 is: 410,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,899.70 : 743,686.77 = 297,190.84 : x
  2. Step 2: Convert to fraction form
    538,899.70/743,686.77 = 297,190.84/x
  3. Step 3: Cross multiply
    538,899.70x = 743,686.77 × 297,190.84
  4. Step 4: Simplify right side
    538,899.70x = 221,016,895,873.19
  5. Step 5: Solve for x
    x = 221,016,895,873.19/538,899.70
  6. Step 6: Final answer
    x = 410,126.22

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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.