Home / 1,185,794.15-1,636,395.57-641,929.54

Finding the Fourth Proportional to 1,185,794.15, 1,636,395.57 and 641,929.54

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Solution

The fourth proportional to 1,185,794.15, 1,636,395.57 and 641,929.54 is: 885,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,794.15 : 1,636,395.57 = 641,929.54 : x
  2. Step 2: Convert to fraction form
    1,185,794.15/1,636,395.57 = 641,929.54/x
  3. Step 3: Cross multiply
    1,185,794.15x = 1,636,395.57 × 641,929.54
  4. Step 4: Simplify right side
    1,185,794.15x = 1,050,450,655,508.14
  5. Step 5: Solve for x
    x = 1,050,450,655,508.14/1,185,794.15
  6. Step 6: Final answer
    x = 885,862.57

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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.