Home / 623,273.11-859,974.09-393,554.27

Finding the Fourth Proportional to 623,273.11, 859,974.09 and 393,554.27

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Solution

The fourth proportional to 623,273.11, 859,974.09 and 393,554.27 is: 543,014.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,273.11 : 859,974.09 = 393,554.27 : x
  2. Step 2: Convert to fraction form
    623,273.11/859,974.09 = 393,554.27/x
  3. Step 3: Cross multiply
    623,273.11x = 859,974.09 × 393,554.27
  4. Step 4: Simplify right side
    623,273.11x = 338,446,475,208.86
  5. Step 5: Solve for x
    x = 338,446,475,208.86/623,273.11
  6. Step 6: Final answer
    x = 543,014.72

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Double scale
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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.