Home / 380,256.24-524,194.52-289,454.04

Finding the Fourth Proportional to 380,256.24, 524,194.52 and 289,454.04

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Solution

The fourth proportional to 380,256.24, 524,194.52 and 289,454.04 is: 399,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,256.24 : 524,194.52 = 289,454.04 : x
  2. Step 2: Convert to fraction form
    380,256.24/524,194.52 = 289,454.04/x
  3. Step 3: Cross multiply
    380,256.24x = 524,194.52 × 289,454.04
  4. Step 4: Simplify right side
    380,256.24x = 151,730,221,559.86
  5. Step 5: Solve for x
    x = 151,730,221,559.86/380,256.24
  6. Step 6: Final answer
    x = 399,020.99

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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.