Home / 905,028.54-1,248,866.55-523,080.06

Finding the Fourth Proportional to 905,028.54, 1,248,866.55 and 523,080.06

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Solution

The fourth proportional to 905,028.54, 1,248,866.55 and 523,080.06 is: 721,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,028.54 : 1,248,866.55 = 523,080.06 : x
  2. Step 2: Convert to fraction form
    905,028.54/1,248,866.55 = 523,080.06/x
  3. Step 3: Cross multiply
    905,028.54x = 1,248,866.55 × 523,080.06
  4. Step 4: Simplify right side
    905,028.54x = 653,257,189,905.99
  5. Step 5: Solve for x
    x = 653,257,189,905.99/905,028.54
  6. Step 6: Final answer
    x = 721,808.39

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Double scale
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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.