Home / 1,111,146.10-1,533,376.29-621,115.51

Finding the Fourth Proportional to 1,111,146.10, 1,533,376.29 and 621,115.51

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Solution

The fourth proportional to 1,111,146.10, 1,533,376.29 and 621,115.51 is: 857,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,146.10 : 1,533,376.29 = 621,115.51 : x
  2. Step 2: Convert to fraction form
    1,111,146.10/1,533,376.29 = 621,115.51/x
  3. Step 3: Cross multiply
    1,111,146.10x = 1,533,376.29 × 621,115.51
  4. Step 4: Simplify right side
    1,111,146.10x = 952,403,794,262.31
  5. Step 5: Solve for x
    x = 952,403,794,262.31/1,111,146.10
  6. Step 6: Final answer
    x = 857,136.42

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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.