Home / 572,255.34-789,749.28-317,606.52

Finding the Fourth Proportional to 572,255.34, 789,749.28 and 317,606.52

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Solution

The fourth proportional to 572,255.34, 789,749.28 and 317,606.52 is: 438,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,255.34 : 789,749.28 = 317,606.52 : x
  2. Step 2: Convert to fraction form
    572,255.34/789,749.28 = 317,606.52/x
  3. Step 3: Cross multiply
    572,255.34x = 789,749.28 × 317,606.52
  4. Step 4: Simplify right side
    572,255.34x = 250,829,520,493.31
  5. Step 5: Solve for x
    x = 250,829,520,493.31/572,255.34
  6. Step 6: Final answer
    x = 438,317.48

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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.