Home / 772,194.17-1,157,474.57-285,563.61

Finding the Fourth Proportional to 772,194.17, 1,157,474.57 and 285,563.61

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Solution

The fourth proportional to 772,194.17, 1,157,474.57 and 285,563.61 is: 428,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,194.17 : 1,157,474.57 = 285,563.61 : x
  2. Step 2: Convert to fraction form
    772,194.17/1,157,474.57 = 285,563.61/x
  3. Step 3: Cross multiply
    772,194.17x = 1,157,474.57 × 285,563.61
  4. Step 4: Simplify right side
    772,194.17x = 330,532,615,264.58
  5. Step 5: Solve for x
    x = 330,532,615,264.58/772,194.17
  6. Step 6: Final answer
    x = 428,043.40

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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.