Home / 412,923.57-569,725.70-238,451.01

Finding the Fourth Proportional to 412,923.57, 569,725.70 and 238,451.01

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Solution

The fourth proportional to 412,923.57, 569,725.70 and 238,451.01 is: 328,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,923.57 : 569,725.70 = 238,451.01 : x
  2. Step 2: Convert to fraction form
    412,923.57/569,725.70 = 238,451.01/x
  3. Step 3: Cross multiply
    412,923.57x = 569,725.70 × 238,451.01
  4. Step 4: Simplify right side
    412,923.57x = 135,851,667,395.70
  5. Step 5: Solve for x
    x = 135,851,667,395.70/412,923.57
  6. Step 6: Final answer
    x = 328,999.55

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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.