Home / 837,647.84-1,256,455.56-238,612.88

Finding the Fourth Proportional to 837,647.84, 1,256,455.56 and 238,612.88

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Solution

The fourth proportional to 837,647.84, 1,256,455.56 and 238,612.88 is: 357,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,647.84 : 1,256,455.56 = 238,612.88 : x
  2. Step 2: Convert to fraction form
    837,647.84/1,256,455.56 = 238,612.88/x
  3. Step 3: Cross multiply
    837,647.84x = 1,256,455.56 × 238,612.88
  4. Step 4: Simplify right side
    837,647.84x = 299,806,479,763.61
  5. Step 5: Solve for x
    x = 299,806,479,763.61/837,647.84
  6. Step 6: Final answer
    x = 357,914.71

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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.