Home / 839,864.33-1,259,425.86-240,689.51

Finding the Fourth Proportional to 839,864.33, 1,259,425.86 and 240,689.51

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Solution

The fourth proportional to 839,864.33, 1,259,425.86 and 240,689.51 is: 360,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,864.33 : 1,259,425.86 = 240,689.51 : x
  2. Step 2: Convert to fraction form
    839,864.33/1,259,425.86 = 240,689.51/x
  3. Step 3: Cross multiply
    839,864.33x = 1,259,425.86 × 240,689.51
  4. Step 4: Simplify right side
    839,864.33x = 303,130,586,827.60
  5. Step 5: Solve for x
    x = 303,130,586,827.60/839,864.33
  6. Step 6: Final answer
    x = 360,928.04

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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.