Home / 999,178.63-1,378,832.39-569,597.15

Finding the Fourth Proportional to 999,178.63, 1,378,832.39 and 569,597.15

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Solution

The fourth proportional to 999,178.63, 1,378,832.39 and 569,597.15 is: 786,024.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,178.63 : 1,378,832.39 = 569,597.15 : x
  2. Step 2: Convert to fraction form
    999,178.63/1,378,832.39 = 569,597.15/x
  3. Step 3: Cross multiply
    999,178.63x = 1,378,832.39 × 569,597.15
  4. Step 4: Simplify right side
    999,178.63x = 785,379,002,406.77
  5. Step 5: Solve for x
    x = 785,379,002,406.77/999,178.63
  6. Step 6: Final answer
    x = 786,024.62

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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.