Home / 839,512.30-1,258,896.93-240,336.94

Finding the Fourth Proportional to 839,512.30, 1,258,896.93 and 240,336.94

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Solution

The fourth proportional to 839,512.30, 1,258,896.93 and 240,336.94 is: 360,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,512.30 : 1,258,896.93 = 240,336.94 : x
  2. Step 2: Convert to fraction form
    839,512.30/1,258,896.93 = 240,336.94/x
  3. Step 3: Cross multiply
    839,512.30x = 1,258,896.93 × 240,336.94
  4. Step 4: Simplify right side
    839,512.30x = 302,559,435,931.59
  5. Step 5: Solve for x
    x = 302,559,435,931.59/839,512.30
  6. Step 6: Final answer
    x = 360,399.05

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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.