Home / 420,529.58-580,244.19-241,647.02

Finding the Fourth Proportional to 420,529.58, 580,244.19 and 241,647.02

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Solution

The fourth proportional to 420,529.58, 580,244.19 and 241,647.02 is: 333,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,529.58 : 580,244.19 = 241,647.02 : x
  2. Step 2: Convert to fraction form
    420,529.58/580,244.19 = 241,647.02/x
  3. Step 3: Cross multiply
    420,529.58x = 580,244.19 × 241,647.02
  4. Step 4: Simplify right side
    420,529.58x = 140,214,279,385.81
  5. Step 5: Solve for x
    x = 140,214,279,385.81/420,529.58
  6. Step 6: Final answer
    x = 333,423.11

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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.