Home / 747,194.44-1,030,816.30-489,134.51

Finding the Fourth Proportional to 747,194.44, 1,030,816.30 and 489,134.51

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Solution

The fourth proportional to 747,194.44, 1,030,816.30 and 489,134.51 is: 674,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,194.44 : 1,030,816.30 = 489,134.51 : x
  2. Step 2: Convert to fraction form
    747,194.44/1,030,816.30 = 489,134.51/x
  3. Step 3: Cross multiply
    747,194.44x = 1,030,816.30 × 489,134.51
  4. Step 4: Simplify right side
    747,194.44x = 504,207,825,800.51
  5. Step 5: Solve for x
    x = 504,207,825,800.51/747,194.44
  6. Step 6: Final answer
    x = 674,801.36

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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.