Home / 572,242.92-789,685.38-317,604.84

Finding the Fourth Proportional to 572,242.92, 789,685.38 and 317,604.84

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Solution

The fourth proportional to 572,242.92, 789,685.38 and 317,604.84 is: 438,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,242.92 : 789,685.38 = 317,604.84 : x
  2. Step 2: Convert to fraction form
    572,242.92/789,685.38 = 317,604.84/x
  3. Step 3: Cross multiply
    572,242.92x = 789,685.38 × 317,604.84
  4. Step 4: Simplify right side
    572,242.92x = 250,807,898,765.24
  5. Step 5: Solve for x
    x = 250,807,898,765.24/572,242.92
  6. Step 6: Final answer
    x = 438,289.21

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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.