Home / 635,400.56-953,131.50-208,926.95

Finding the Fourth Proportional to 635,400.56, 953,131.50 and 208,926.95

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Solution

The fourth proportional to 635,400.56, 953,131.50 and 208,926.95 is: 313,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,400.56 : 953,131.50 = 208,926.95 : x
  2. Step 2: Convert to fraction form
    635,400.56/953,131.50 = 208,926.95/x
  3. Step 3: Cross multiply
    635,400.56x = 953,131.50 × 208,926.95
  4. Step 4: Simplify right side
    635,400.56x = 199,134,851,890.66
  5. Step 5: Solve for x
    x = 199,134,851,890.66/635,400.56
  6. Step 6: Final answer
    x = 313,400.50

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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.