Home / 679,211.27-937,250.55-373,284.30

Finding the Fourth Proportional to 679,211.27, 937,250.55 and 373,284.30

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Solution

The fourth proportional to 679,211.27, 937,250.55 and 373,284.30 is: 515,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,211.27 : 937,250.55 = 373,284.30 : x
  2. Step 2: Convert to fraction form
    679,211.27/937,250.55 = 373,284.30/x
  3. Step 3: Cross multiply
    679,211.27x = 937,250.55 × 373,284.30
  4. Step 4: Simplify right side
    679,211.27x = 349,860,915,481.37
  5. Step 5: Solve for x
    x = 349,860,915,481.37/679,211.27
  6. Step 6: Final answer
    x = 515,098.81

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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.