Home / 754,301.64-1,040,848.99-431,992.51

Finding the Fourth Proportional to 754,301.64, 1,040,848.99 and 431,992.51

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Solution

The fourth proportional to 754,301.64, 1,040,848.99 and 431,992.51 is: 596,099.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,301.64 : 1,040,848.99 = 431,992.51 : x
  2. Step 2: Convert to fraction form
    754,301.64/1,040,848.99 = 431,992.51/x
  3. Step 3: Cross multiply
    754,301.64x = 1,040,848.99 × 431,992.51
  4. Step 4: Simplify right side
    754,301.64x = 449,638,967,721.07
  5. Step 5: Solve for x
    x = 449,638,967,721.07/754,301.64
  6. Step 6: Final answer
    x = 596,099.68

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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.