Home / 839,232.16-1,258,847.08-389,707.22

Finding the Fourth Proportional to 839,232.16, 1,258,847.08 and 389,707.22

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Solution

The fourth proportional to 839,232.16, 1,258,847.08 and 389,707.22 is: 584,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,232.16 : 1,258,847.08 = 389,707.22 : x
  2. Step 2: Convert to fraction form
    839,232.16/1,258,847.08 = 389,707.22/x
  3. Step 3: Cross multiply
    839,232.16x = 1,258,847.08 × 389,707.22
  4. Step 4: Simplify right side
    839,232.16x = 490,581,795,951.92
  5. Step 5: Solve for x
    x = 490,581,795,951.92/839,232.16
  6. Step 6: Final answer
    x = 584,560.29

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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.