Home / 999,178.69-1,378,832.46-569,597.23

Finding the Fourth Proportional to 999,178.69, 1,378,832.46 and 569,597.23

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Solution

The fourth proportional to 999,178.69, 1,378,832.46 and 569,597.23 is: 786,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,178.69 : 1,378,832.46 = 569,597.23 : x
  2. Step 2: Convert to fraction form
    999,178.69/1,378,832.46 = 569,597.23/x
  3. Step 3: Cross multiply
    999,178.69x = 1,378,832.46 × 569,597.23
  4. Step 4: Simplify right side
    999,178.69x = 785,379,149,850.09
  5. Step 5: Solve for x
    x = 785,379,149,850.09/999,178.69
  6. Step 6: Final answer
    x = 786,024.72

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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.