Home / 572,339.23-789,788.60-317,670.37

Finding the Fourth Proportional to 572,339.23, 789,788.60 and 317,670.37

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Solution

The fourth proportional to 572,339.23, 789,788.60 and 317,670.37 is: 438,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,339.23 : 789,788.60 = 317,670.37 : x
  2. Step 2: Convert to fraction form
    572,339.23/789,788.60 = 317,670.37/x
  3. Step 3: Cross multiply
    572,339.23x = 789,788.60 × 317,670.37
  4. Step 4: Simplify right side
    572,339.23x = 250,892,436,783.78
  5. Step 5: Solve for x
    x = 250,892,436,783.78/572,339.23
  6. Step 6: Final answer
    x = 438,363.17

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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.