Home / 558,631.94-771,689.64-537,892.78

Finding the Fourth Proportional to 558,631.94, 771,689.64 and 537,892.78

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Solution

The fourth proportional to 558,631.94, 771,689.64 and 537,892.78 is: 743,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,631.94 : 771,689.64 = 537,892.78 : x
  2. Step 2: Convert to fraction form
    558,631.94/771,689.64 = 537,892.78/x
  3. Step 3: Cross multiply
    558,631.94x = 771,689.64 × 537,892.78
  4. Step 4: Simplify right side
    558,631.94x = 415,086,285,756.80
  5. Step 5: Solve for x
    x = 415,086,285,756.80/558,631.94
  6. Step 6: Final answer
    x = 743,040.73

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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.