Home / 403,569.28-556,841.12-233,793.28

Finding the Fourth Proportional to 403,569.28, 556,841.12 and 233,793.28

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Solution

The fourth proportional to 403,569.28, 556,841.12 and 233,793.28 is: 322,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,569.28 : 556,841.12 = 233,793.28 : x
  2. Step 2: Convert to fraction form
    403,569.28/556,841.12 = 233,793.28/x
  3. Step 3: Cross multiply
    403,569.28x = 556,841.12 × 233,793.28
  4. Step 4: Simplify right side
    403,569.28x = 130,185,711,883.67
  5. Step 5: Solve for x
    x = 130,185,711,883.67/403,569.28
  6. Step 6: Final answer
    x = 322,585.78

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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.