Home / 462,928.20-638,583.70-269,314.16

Finding the Fourth Proportional to 462,928.20, 638,583.70 and 269,314.16

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Solution

The fourth proportional to 462,928.20, 638,583.70 and 269,314.16 is: 371,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,928.20 : 638,583.70 = 269,314.16 : x
  2. Step 2: Convert to fraction form
    462,928.20/638,583.70 = 269,314.16/x
  3. Step 3: Cross multiply
    462,928.20x = 638,583.70 × 269,314.16
  4. Step 4: Simplify right side
    462,928.20x = 171,979,632,755.19
  5. Step 5: Solve for x
    x = 171,979,632,755.19/462,928.20
  6. Step 6: Final answer
    x = 371,503.90

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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.