Home / 1,085,635.86-1,498,246.11-626,835.15

Finding the Fourth Proportional to 1,085,635.86, 1,498,246.11 and 626,835.15

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Solution

The fourth proportional to 1,085,635.86, 1,498,246.11 and 626,835.15 is: 865,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,635.86 : 1,498,246.11 = 626,835.15 : x
  2. Step 2: Convert to fraction form
    1,085,635.86/1,498,246.11 = 626,835.15/x
  3. Step 3: Cross multiply
    1,085,635.86x = 1,498,246.11 × 626,835.15
  4. Step 4: Simplify right side
    1,085,635.86x = 939,153,325,098.77
  5. Step 5: Solve for x
    x = 939,153,325,098.77/1,085,635.86
  6. Step 6: Final answer
    x = 865,072.13

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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.