Home / 839,900.38-1,159,029.13-495,847.14

Finding the Fourth Proportional to 839,900.38, 1,159,029.13 and 495,847.14

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Solution

The fourth proportional to 839,900.38, 1,159,029.13 and 495,847.14 is: 684,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,900.38 : 1,159,029.13 = 495,847.14 : x
  2. Step 2: Convert to fraction form
    839,900.38/1,159,029.13 = 495,847.14/x
  3. Step 3: Cross multiply
    839,900.38x = 1,159,029.13 × 495,847.14
  4. Step 4: Simplify right side
    839,900.38x = 574,701,279,287.19
  5. Step 5: Solve for x
    x = 574,701,279,287.19/839,900.38
  6. Step 6: Final answer
    x = 684,249.34

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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.