Home / 386,743.10-533,737.62-214,677.23

Finding the Fourth Proportional to 386,743.10, 533,737.62 and 214,677.23

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Solution

The fourth proportional to 386,743.10, 533,737.62 and 214,677.23 is: 296,272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,743.10 : 533,737.62 = 214,677.23 : x
  2. Step 2: Convert to fraction form
    386,743.10/533,737.62 = 214,677.23/x
  3. Step 3: Cross multiply
    386,743.10x = 533,737.62 × 214,677.23
  4. Step 4: Simplify right side
    386,743.10x = 114,581,311,139.71
  5. Step 5: Solve for x
    x = 114,581,311,139.71/386,743.10
  6. Step 6: Final answer
    x = 296,272.42

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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.