Home / 945,782.11-1,305,208.09-537,942.66

Finding the Fourth Proportional to 945,782.11, 1,305,208.09 and 537,942.66

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Solution

The fourth proportional to 945,782.11, 1,305,208.09 and 537,942.66 is: 742,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,782.11 : 1,305,208.09 = 537,942.66 : x
  2. Step 2: Convert to fraction form
    945,782.11/1,305,208.09 = 537,942.66/x
  3. Step 3: Cross multiply
    945,782.11x = 1,305,208.09 × 537,942.66
  4. Step 4: Simplify right side
    945,782.11x = 702,127,111,788.12
  5. Step 5: Solve for x
    x = 702,127,111,788.12/945,782.11
  6. Step 6: Final answer
    x = 742,377.24

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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.