Home / 999,553.29-1,379,561.13-591,881.46

Finding the Fourth Proportional to 999,553.29, 1,379,561.13 and 591,881.46

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Solution

The fourth proportional to 999,553.29, 1,379,561.13 and 591,881.46 is: 816,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,553.29 : 1,379,561.13 = 591,881.46 : x
  2. Step 2: Convert to fraction form
    999,553.29/1,379,561.13 = 591,881.46/x
  3. Step 3: Cross multiply
    999,553.29x = 1,379,561.13 × 591,881.46
  4. Step 4: Simplify right side
    999,553.29x = 816,536,655,783.65
  5. Step 5: Solve for x
    x = 816,536,655,783.65/999,553.29
  6. Step 6: Final answer
    x = 816,901.57

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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.