Home / 1,062,172.43-1,593,922.95-431,086.25

Finding the Fourth Proportional to 1,062,172.43, 1,593,922.95 and 431,086.25

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Solution

The fourth proportional to 1,062,172.43, 1,593,922.95 and 431,086.25 is: 646,898.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,172.43 : 1,593,922.95 = 431,086.25 : x
  2. Step 2: Convert to fraction form
    1,062,172.43/1,593,922.95 = 431,086.25/x
  3. Step 3: Cross multiply
    1,062,172.43x = 1,593,922.95 × 431,086.25
  4. Step 4: Simplify right side
    1,062,172.43x = 687,118,259,334.82
  5. Step 5: Solve for x
    x = 687,118,259,334.82/1,062,172.43
  6. Step 6: Final answer
    x = 646,898.98

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Double scale
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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.