Home / 999,174.69-1,378,826.96-569,593.22

Finding the Fourth Proportional to 999,174.69, 1,378,826.96 and 569,593.22

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Solution

The fourth proportional to 999,174.69, 1,378,826.96 and 569,593.22 is: 786,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,174.69 : 1,378,826.96 = 569,593.22 : x
  2. Step 2: Convert to fraction form
    999,174.69/1,378,826.96 = 569,593.22/x
  3. Step 3: Cross multiply
    999,174.69x = 1,378,826.96 × 569,593.22
  4. Step 4: Simplify right side
    999,174.69x = 785,370,478,227.11
  5. Step 5: Solve for x
    x = 785,370,478,227.11/999,174.69
  6. Step 6: Final answer
    x = 786,019.19

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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.