Home / 604,921.46-906,857.28-305,151.80

Finding the Fourth Proportional to 604,921.46, 906,857.28 and 305,151.80

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Solution

The fourth proportional to 604,921.46, 906,857.28 and 305,151.80 is: 457,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,921.46 : 906,857.28 = 305,151.80 : x
  2. Step 2: Convert to fraction form
    604,921.46/906,857.28 = 305,151.80/x
  3. Step 3: Cross multiply
    604,921.46x = 906,857.28 × 305,151.80
  4. Step 4: Simplify right side
    604,921.46x = 276,729,126,800.82
  5. Step 5: Solve for x
    x = 276,729,126,800.82/604,921.46
  6. Step 6: Final answer
    x = 457,462.91

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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.