Home / 454,574.70-681,570.45-188,441.10

Finding the Fourth Proportional to 454,574.70, 681,570.45 and 188,441.10

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Solution

The fourth proportional to 454,574.70, 681,570.45 and 188,441.10 is: 282,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,574.70 : 681,570.45 = 188,441.10 : x
  2. Step 2: Convert to fraction form
    454,574.70/681,570.45 = 188,441.10/x
  3. Step 3: Cross multiply
    454,574.70x = 681,570.45 × 188,441.10
  4. Step 4: Simplify right side
    454,574.70x = 128,435,885,325.50
  5. Step 5: Solve for x
    x = 128,435,885,325.50/454,574.70
  6. Step 6: Final answer
    x = 282,540.77

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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.