Home / 922,005.82-1,272,383.71-508,590.04

Finding the Fourth Proportional to 922,005.82, 1,272,383.71 and 508,590.04

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Solution

The fourth proportional to 922,005.82, 1,272,383.71 and 508,590.04 is: 701,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,005.82 : 1,272,383.71 = 508,590.04 : x
  2. Step 2: Convert to fraction form
    922,005.82/1,272,383.71 = 508,590.04/x
  3. Step 3: Cross multiply
    922,005.82x = 1,272,383.71 × 508,590.04
  4. Step 4: Simplify right side
    922,005.82x = 647,121,677,511.81
  5. Step 5: Solve for x
    x = 647,121,677,511.81/922,005.82
  6. Step 6: Final answer
    x = 701,862.90

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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.