Home / 382,370.11-527,667.55-212,602.75

Finding the Fourth Proportional to 382,370.11, 527,667.55 and 212,602.75

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Solution

The fourth proportional to 382,370.11, 527,667.55 and 212,602.75 is: 293,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,370.11 : 527,667.55 = 212,602.75 : x
  2. Step 2: Convert to fraction form
    382,370.11/527,667.55 = 212,602.75/x
  3. Step 3: Cross multiply
    382,370.11x = 527,667.55 × 212,602.75
  4. Step 4: Simplify right side
    382,370.11x = 112,183,572,215.76
  5. Step 5: Solve for x
    x = 112,183,572,215.76/382,370.11
  6. Step 6: Final answer
    x = 293,390.01

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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.