Home / 579,923.57-869,964.42-336,878.82

Finding the Fourth Proportional to 579,923.57, 869,964.42 and 336,878.82

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Solution

The fourth proportional to 579,923.57, 869,964.42 and 336,878.82 is: 505,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,923.57 : 869,964.42 = 336,878.82 : x
  2. Step 2: Convert to fraction form
    579,923.57/869,964.42 = 336,878.82/x
  3. Step 3: Cross multiply
    579,923.57x = 869,964.42 × 336,878.82
  4. Step 4: Simplify right side
    579,923.57x = 293,072,587,251.58
  5. Step 5: Solve for x
    x = 293,072,587,251.58/579,923.57
  6. Step 6: Final answer
    x = 505,364.16

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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.