Home / 545,240.20-817,860.30-151,256.20

Finding the Fourth Proportional to 545,240.20, 817,860.30 and 151,256.20

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Solution

The fourth proportional to 545,240.20, 817,860.30 and 151,256.20 is: 226,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,240.20 : 817,860.30 = 151,256.20 : x
  2. Step 2: Convert to fraction form
    545,240.20/817,860.30 = 151,256.20/x
  3. Step 3: Cross multiply
    545,240.20x = 817,860.30 × 151,256.20
  4. Step 4: Simplify right side
    545,240.20x = 123,706,441,108.86
  5. Step 5: Solve for x
    x = 123,706,441,108.86/545,240.20
  6. Step 6: Final answer
    x = 226,884.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.