Home / 381,059.29-525,844.02-219,966.24

Finding the Fourth Proportional to 381,059.29, 525,844.02 and 219,966.24

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Solution

The fourth proportional to 381,059.29, 525,844.02 and 219,966.24 is: 303,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,059.29 : 525,844.02 = 219,966.24 : x
  2. Step 2: Convert to fraction form
    381,059.29/525,844.02 = 219,966.24/x
  3. Step 3: Cross multiply
    381,059.29x = 525,844.02 × 219,966.24
  4. Step 4: Simplify right side
    381,059.29x = 115,667,931,905.89
  5. Step 5: Solve for x
    x = 115,667,931,905.89/381,059.29
  6. Step 6: Final answer
    x = 303,543.14

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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.