Home / 379,420.02-523,593.26-207,334.20

Finding the Fourth Proportional to 379,420.02, 523,593.26 and 207,334.20

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Solution

The fourth proportional to 379,420.02, 523,593.26 and 207,334.20 is: 286,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,420.02 : 523,593.26 = 207,334.20 : x
  2. Step 2: Convert to fraction form
    379,420.02/523,593.26 = 207,334.20/x
  3. Step 3: Cross multiply
    379,420.02x = 523,593.26 × 207,334.20
  4. Step 4: Simplify right side
    379,420.02x = 108,558,789,687.49
  5. Step 5: Solve for x
    x = 108,558,789,687.49/379,420.02
  6. Step 6: Final answer
    x = 286,117.72

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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.