Home / 596,729.87-822,914.81-400,939.11

Finding the Fourth Proportional to 596,729.87, 822,914.81 and 400,939.11

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Solution

The fourth proportional to 596,729.87, 822,914.81 and 400,939.11 is: 552,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,729.87 : 822,914.81 = 400,939.11 : x
  2. Step 2: Convert to fraction form
    596,729.87/822,914.81 = 400,939.11/x
  3. Step 3: Cross multiply
    596,729.87x = 822,914.81 × 400,939.11
  4. Step 4: Simplify right side
    596,729.87x = 329,938,729,522.52
  5. Step 5: Solve for x
    x = 329,938,729,522.52/596,729.87
  6. Step 6: Final answer
    x = 552,911.37

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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.