Home / 928,175.15-1,392,263.93-254,262.38

Finding the Fourth Proportional to 928,175.15, 1,392,263.93 and 254,262.38

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Solution

The fourth proportional to 928,175.15, 1,392,263.93 and 254,262.38 is: 381,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,175.15 : 1,392,263.93 = 254,262.38 : x
  2. Step 2: Convert to fraction form
    928,175.15/1,392,263.93 = 254,262.38/x
  3. Step 3: Cross multiply
    928,175.15x = 1,392,263.93 × 254,262.38
  4. Step 4: Simplify right side
    928,175.15x = 354,000,334,104.29
  5. Step 5: Solve for x
    x = 354,000,334,104.29/928,175.15
  6. Step 6: Final answer
    x = 381,393.89

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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.