Home / 1,138,653.90-1,707,729.33-328,862.22

Finding the Fourth Proportional to 1,138,653.90, 1,707,729.33 and 328,862.22

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Solution

The fourth proportional to 1,138,653.90, 1,707,729.33 and 328,862.22 is: 493,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,653.90 : 1,707,729.33 = 328,862.22 : x
  2. Step 2: Convert to fraction form
    1,138,653.90/1,707,729.33 = 328,862.22/x
  3. Step 3: Cross multiply
    1,138,653.90x = 1,707,729.33 × 328,862.22
  4. Step 4: Simplify right side
    1,138,653.90x = 561,607,658,622.91
  5. Step 5: Solve for x
    x = 561,607,658,622.91/1,138,653.90
  6. Step 6: Final answer
    x = 493,220.69

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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.