Home / 635,127.35-876,545.50-363,220.55

Finding the Fourth Proportional to 635,127.35, 876,545.50 and 363,220.55

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Solution

The fourth proportional to 635,127.35, 876,545.50 and 363,220.55 is: 501,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,127.35 : 876,545.50 = 363,220.55 : x
  2. Step 2: Convert to fraction form
    635,127.35/876,545.50 = 363,220.55/x
  3. Step 3: Cross multiply
    635,127.35x = 876,545.50 × 363,220.55
  4. Step 4: Simplify right side
    635,127.35x = 318,379,336,671.02
  5. Step 5: Solve for x
    x = 318,379,336,671.02/635,127.35
  6. Step 6: Final answer
    x = 501,284.25

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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.