Home / 839,511.30-1,258,895.43-240,335.94

Finding the Fourth Proportional to 839,511.30, 1,258,895.43 and 240,335.94

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Solution

The fourth proportional to 839,511.30, 1,258,895.43 and 240,335.94 is: 360,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,511.30 : 1,258,895.43 = 240,335.94 : x
  2. Step 2: Convert to fraction form
    839,511.30/1,258,895.43 = 240,335.94/x
  3. Step 3: Cross multiply
    839,511.30x = 1,258,895.43 × 240,335.94
  4. Step 4: Simplify right side
    839,511.30x = 302,557,816,530.75
  5. Step 5: Solve for x
    x = 302,557,816,530.75/839,511.30
  6. Step 6: Final answer
    x = 360,397.55

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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.