Home / 386,312.04-533,108.94-216,546.18

Finding the Fourth Proportional to 386,312.04, 533,108.94 and 216,546.18

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Solution

The fourth proportional to 386,312.04, 533,108.94 and 216,546.18 is: 298,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,312.04 : 533,108.94 = 216,546.18 : x
  2. Step 2: Convert to fraction form
    386,312.04/533,108.94 = 216,546.18/x
  3. Step 3: Cross multiply
    386,312.04x = 533,108.94 × 216,546.18
  4. Step 4: Simplify right side
    386,312.04x = 115,442,704,480.85
  5. Step 5: Solve for x
    x = 115,442,704,480.85/386,312.04
  6. Step 6: Final answer
    x = 298,832.79

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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.