Home / 571,828.98-789,118.29-317,173.62

Finding the Fourth Proportional to 571,828.98, 789,118.29 and 317,173.62

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Solution

The fourth proportional to 571,828.98, 789,118.29 and 317,173.62 is: 437,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,828.98 : 789,118.29 = 317,173.62 : x
  2. Step 2: Convert to fraction form
    571,828.98/789,118.29 = 317,173.62/x
  3. Step 3: Cross multiply
    571,828.98x = 789,118.29 × 317,173.62
  4. Step 4: Simplify right side
    571,828.98x = 250,287,504,647.51
  5. Step 5: Solve for x
    x = 250,287,504,647.51/571,828.98
  6. Step 6: Final answer
    x = 437,696.43

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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.