Home / 839,757.78-1,158,748.88-495,608.09

Finding the Fourth Proportional to 839,757.78, 1,158,748.88 and 495,608.09

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Solution

The fourth proportional to 839,757.78, 1,158,748.88 and 495,608.09 is: 683,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,757.78 : 1,158,748.88 = 495,608.09 : x
  2. Step 2: Convert to fraction form
    839,757.78/1,158,748.88 = 495,608.09/x
  3. Step 3: Cross multiply
    839,757.78x = 1,158,748.88 × 495,608.09
  4. Step 4: Simplify right side
    839,757.78x = 574,285,310,934.65
  5. Step 5: Solve for x
    x = 574,285,310,934.65/839,757.78
  6. Step 6: Final answer
    x = 683,870.19

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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.