Home / 623,272.11-859,972.71-393,553.27

Finding the Fourth Proportional to 623,272.11, 859,972.71 and 393,553.27

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Solution

The fourth proportional to 623,272.11, 859,972.71 and 393,553.27 is: 543,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,272.11 : 859,972.71 = 393,553.27 : x
  2. Step 2: Convert to fraction form
    623,272.11/859,972.71 = 393,553.27/x
  3. Step 3: Cross multiply
    623,272.11x = 859,972.71 × 393,553.27
  4. Step 4: Simplify right side
    623,272.11x = 338,445,072,131.26
  5. Step 5: Solve for x
    x = 338,445,072,131.26/623,272.11
  6. Step 6: Final answer
    x = 543,013.34

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1.5x scale

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.