Home / 621,451.10-931,520.55-242,225.30

Finding the Fourth Proportional to 621,451.10, 931,520.55 and 242,225.30

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Solution

The fourth proportional to 621,451.10, 931,520.55 and 242,225.30 is: 363,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,451.10 : 931,520.55 = 242,225.30 : x
  2. Step 2: Convert to fraction form
    621,451.10/931,520.55 = 242,225.30/x
  3. Step 3: Cross multiply
    621,451.10x = 931,520.55 × 242,225.30
  4. Step 4: Simplify right side
    621,451.10x = 225,637,844,679.92
  5. Step 5: Solve for x
    x = 225,637,844,679.92/621,451.10
  6. Step 6: Final answer
    x = 363,082.22

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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.