Home / 384,659.22-530,840.33-212,588.34

Finding the Fourth Proportional to 384,659.22, 530,840.33 and 212,588.34

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Solution

The fourth proportional to 384,659.22, 530,840.33 and 212,588.34 is: 293,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,659.22 : 530,840.33 = 212,588.34 : x
  2. Step 2: Convert to fraction form
    384,659.22/530,840.33 = 212,588.34/x
  3. Step 3: Cross multiply
    384,659.22x = 530,840.33 × 212,588.34
  4. Step 4: Simplify right side
    384,659.22x = 112,850,463,232.65
  5. Step 5: Solve for x
    x = 112,850,463,232.65/384,659.22
  6. Step 6: Final answer
    x = 293,377.77

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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.