Home / 572,025.57-789,392.75-317,376.15

Finding the Fourth Proportional to 572,025.57, 789,392.75 and 317,376.15

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Solution

The fourth proportional to 572,025.57, 789,392.75 and 317,376.15 is: 437,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,025.57 : 789,392.75 = 317,376.15 : x
  2. Step 2: Convert to fraction form
    572,025.57/789,392.75 = 317,376.15/x
  3. Step 3: Cross multiply
    572,025.57x = 789,392.75 × 317,376.15
  4. Step 4: Simplify right side
    572,025.57x = 250,534,428,679.39
  5. Step 5: Solve for x
    x = 250,534,428,679.39/572,025.57
  6. Step 6: Final answer
    x = 437,977.68

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Double scale
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Similar ratio
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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.