Home / 869,083.40-1,303,625.10-837,590.60

Finding the Fourth Proportional to 869,083.40, 1,303,625.10 and 837,590.60

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Solution

The fourth proportional to 869,083.40, 1,303,625.10 and 837,590.60 is: 1,256,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,083.40 : 1,303,625.10 = 837,590.60 : x
  2. Step 2: Convert to fraction form
    869,083.40/1,303,625.10 = 837,590.60/x
  3. Step 3: Cross multiply
    869,083.40x = 1,303,625.10 × 837,590.60
  4. Step 4: Simplify right side
    869,083.40x = 1,091,904,129,684.06
  5. Step 5: Solve for x
    x = 1,091,904,129,684.06/869,083.40
  6. Step 6: Final answer
    x = 1,256,385.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.