Home / 999,943.47-1,379,918.17-541,058.93

Finding the Fourth Proportional to 999,943.47, 1,379,918.17 and 541,058.93

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Solution

The fourth proportional to 999,943.47, 1,379,918.17 and 541,058.93 is: 746,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,943.47 : 1,379,918.17 = 541,058.93 : x
  2. Step 2: Convert to fraction form
    999,943.47/1,379,918.17 = 541,058.93/x
  3. Step 3: Cross multiply
    999,943.47x = 1,379,918.17 × 541,058.93
  4. Step 4: Simplify right side
    999,943.47x = 746,617,038,942.87
  5. Step 5: Solve for x
    x = 746,617,038,942.87/999,943.47
  6. Step 6: Final answer
    x = 746,659.25

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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.