Home / 729,746.25-1,006,495.64-627,942.31

Finding the Fourth Proportional to 729,746.25, 1,006,495.64 and 627,942.31

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Solution

The fourth proportional to 729,746.25, 1,006,495.64 and 627,942.31 is: 866,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,746.25 : 1,006,495.64 = 627,942.31 : x
  2. Step 2: Convert to fraction form
    729,746.25/1,006,495.64 = 627,942.31/x
  3. Step 3: Cross multiply
    729,746.25x = 1,006,495.64 × 627,942.31
  4. Step 4: Simplify right side
    729,746.25x = 632,021,193,885.36
  5. Step 5: Solve for x
    x = 632,021,193,885.36/729,746.25
  6. Step 6: Final answer
    x = 866,083.51

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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.