Home / 572,074.92-789,500.52-317,426.76

Finding the Fourth Proportional to 572,074.92, 789,500.52 and 317,426.76

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Solution

The fourth proportional to 572,074.92, 789,500.52 and 317,426.76 is: 438,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,074.92 : 789,500.52 = 317,426.76 : x
  2. Step 2: Convert to fraction form
    572,074.92/789,500.52 = 317,426.76/x
  3. Step 3: Cross multiply
    572,074.92x = 789,500.52 × 317,426.76
  4. Step 4: Simplify right side
    572,074.92x = 250,608,592,081.92
  5. Step 5: Solve for x
    x = 250,608,592,081.92/572,074.92
  6. Step 6: Final answer
    x = 438,069.53

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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.