Home / 740,933.91-1,111,272.07-208,328.54

Finding the Fourth Proportional to 740,933.91, 1,111,272.07 and 208,328.54

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Solution

The fourth proportional to 740,933.91, 1,111,272.07 and 208,328.54 is: 312,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,933.91 : 1,111,272.07 = 208,328.54 : x
  2. Step 2: Convert to fraction form
    740,933.91/1,111,272.07 = 208,328.54/x
  3. Step 3: Cross multiply
    740,933.91x = 1,111,272.07 × 208,328.54
  4. Step 4: Simplify right side
    740,933.91x = 231,509,687,885.88
  5. Step 5: Solve for x
    x = 231,509,687,885.88/740,933.91
  6. Step 6: Final answer
    x = 312,456.60

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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.