Home / 419,733.40-579,232.52-228,746.94

Finding the Fourth Proportional to 419,733.40, 579,232.52 and 228,746.94

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Solution

The fourth proportional to 419,733.40, 579,232.52 and 228,746.94 is: 315,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,733.40 : 579,232.52 = 228,746.94 : x
  2. Step 2: Convert to fraction form
    419,733.40/579,232.52 = 228,746.94/x
  3. Step 3: Cross multiply
    419,733.40x = 579,232.52 × 228,746.94
  4. Step 4: Simplify right side
    419,733.40x = 132,497,666,498.49
  5. Step 5: Solve for x
    x = 132,497,666,498.49/419,733.40
  6. Step 6: Final answer
    x = 315,671.01

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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.