Home / 386,520.04-533,403.12-233,536.96

Finding the Fourth Proportional to 386,520.04, 533,403.12 and 233,536.96

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Solution

The fourth proportional to 386,520.04, 533,403.12 and 233,536.96 is: 322,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,520.04 : 533,403.12 = 233,536.96 : x
  2. Step 2: Convert to fraction form
    386,520.04/533,403.12 = 233,536.96/x
  3. Step 3: Cross multiply
    386,520.04x = 533,403.12 × 233,536.96
  4. Step 4: Simplify right side
    386,520.04x = 124,569,343,099.32
  5. Step 5: Solve for x
    x = 124,569,343,099.32/386,520.04
  6. Step 6: Final answer
    x = 322,284.31

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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.