Home / 839,745.28-1,158,815.36-457,763.84

Finding the Fourth Proportional to 839,745.28, 1,158,815.36 and 457,763.84

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Solution

The fourth proportional to 839,745.28, 1,158,815.36 and 457,763.84 is: 631,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,745.28 : 1,158,815.36 = 457,763.84 : x
  2. Step 2: Convert to fraction form
    839,745.28/1,158,815.36 = 457,763.84/x
  3. Step 3: Cross multiply
    839,745.28x = 1,158,815.36 × 457,763.84
  4. Step 4: Simplify right side
    839,745.28x = 530,463,769,044.58
  5. Step 5: Solve for x
    x = 530,463,769,044.58/839,745.28
  6. Step 6: Final answer
    x = 631,696.04

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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.