Home / 410,509.97-566,895.04-388,145.47

Finding the Fourth Proportional to 410,509.97, 566,895.04 and 388,145.47

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Solution

The fourth proportional to 410,509.97, 566,895.04 and 388,145.47 is: 536,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,509.97 : 566,895.04 = 388,145.47 : x
  2. Step 2: Convert to fraction form
    410,509.97/566,895.04 = 388,145.47/x
  3. Step 3: Cross multiply
    410,509.97x = 566,895.04 × 388,145.47
  4. Step 4: Simplify right side
    410,509.97x = 220,037,741,741.47
  5. Step 5: Solve for x
    x = 220,037,741,741.47/410,509.97
  6. Step 6: Final answer
    x = 536,010.71

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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.