Home / 558,961.14-837,391.94-433,689.78

Finding the Fourth Proportional to 558,961.14, 837,391.94 and 433,689.78

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Solution

The fourth proportional to 558,961.14, 837,391.94 and 433,689.78 is: 649,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,961.14 : 837,391.94 = 433,689.78 : x
  2. Step 2: Convert to fraction form
    558,961.14/837,391.94 = 433,689.78/x
  3. Step 3: Cross multiply
    558,961.14x = 837,391.94 × 433,689.78
  4. Step 4: Simplify right side
    558,961.14x = 363,168,326,232.37
  5. Step 5: Solve for x
    x = 363,168,326,232.37/558,961.14
  6. Step 6: Final answer
    x = 649,720.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.