Home / 454,143.80-681,215.70-444,302.30

Finding the Fourth Proportional to 454,143.80, 681,215.70 and 444,302.30

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Solution

The fourth proportional to 454,143.80, 681,215.70 and 444,302.30 is: 666,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,143.80 : 681,215.70 = 444,302.30 : x
  2. Step 2: Convert to fraction form
    454,143.80/681,215.70 = 444,302.30/x
  3. Step 3: Cross multiply
    454,143.80x = 681,215.70 × 444,302.30
  4. Step 4: Simplify right side
    454,143.80x = 302,665,702,306.11
  5. Step 5: Solve for x
    x = 302,665,702,306.11/454,143.80
  6. Step 6: Final answer
    x = 666,453.45

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1.5x scale

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.