Home / 943,777.31-1,302,697.28-642,146.27

Finding the Fourth Proportional to 943,777.31, 1,302,697.28 and 642,146.27

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Solution

The fourth proportional to 943,777.31, 1,302,697.28 and 642,146.27 is: 886,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,777.31 : 1,302,697.28 = 642,146.27 : x
  2. Step 2: Convert to fraction form
    943,777.31/1,302,697.28 = 642,146.27/x
  3. Step 3: Cross multiply
    943,777.31x = 1,302,697.28 × 642,146.27
  4. Step 4: Simplify right side
    943,777.31x = 836,522,194,383.03
  5. Step 5: Solve for x
    x = 836,522,194,383.03/943,777.31
  6. Step 6: Final answer
    x = 886,355.49

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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.