Home / 386,919.50-533,950.02-214,837.83

Finding the Fourth Proportional to 386,919.50, 533,950.02 and 214,837.83

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Solution

The fourth proportional to 386,919.50, 533,950.02 and 214,837.83 is: 296,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,919.50 : 533,950.02 = 214,837.83 : x
  2. Step 2: Convert to fraction form
    386,919.50/533,950.02 = 214,837.83/x
  3. Step 3: Cross multiply
    386,919.50x = 533,950.02 × 214,837.83
  4. Step 4: Simplify right side
    386,919.50x = 114,712,663,625.26
  5. Step 5: Solve for x
    x = 114,712,663,625.26/386,919.50
  6. Step 6: Final answer
    x = 296,476.83

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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.