Home / 1,704,531.66-2,556,133.29-638,992.50

Finding the Fourth Proportional to 1,704,531.66, 2,556,133.29 and 638,992.50

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Solution

The fourth proportional to 1,704,531.66, 2,556,133.29 and 638,992.50 is: 958,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,531.66 : 2,556,133.29 = 638,992.50 : x
  2. Step 2: Convert to fraction form
    1,704,531.66/2,556,133.29 = 638,992.50/x
  3. Step 3: Cross multiply
    1,704,531.66x = 2,556,133.29 × 638,992.50
  4. Step 4: Simplify right side
    1,704,531.66x = 1,633,350,001,310.33
  5. Step 5: Solve for x
    x = 1,633,350,001,310.33/1,704,531.66
  6. Step 6: Final answer
    x = 958,239.76

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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.