Home / 558,359.73-770,513.11-328,926.42

Finding the Fourth Proportional to 558,359.73, 770,513.11 and 328,926.42

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Solution

The fourth proportional to 558,359.73, 770,513.11 and 328,926.42 is: 453,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,359.73 : 770,513.11 = 328,926.42 : x
  2. Step 2: Convert to fraction form
    558,359.73/770,513.11 = 328,926.42/x
  3. Step 3: Cross multiply
    558,359.73x = 770,513.11 × 328,926.42
  4. Step 4: Simplify right side
    558,359.73x = 253,442,118,013.05
  5. Step 5: Solve for x
    x = 253,442,118,013.05/558,359.73
  6. Step 6: Final answer
    x = 453,904.72

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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.