Home / 804,291.04-1,206,435.88-205,252.30

Finding the Fourth Proportional to 804,291.04, 1,206,435.88 and 205,252.30

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Solution

The fourth proportional to 804,291.04, 1,206,435.88 and 205,252.30 is: 307,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,291.04 : 1,206,435.88 = 205,252.30 : x
  2. Step 2: Convert to fraction form
    804,291.04/1,206,435.88 = 205,252.30/x
  3. Step 3: Cross multiply
    804,291.04x = 1,206,435.88 × 205,252.30
  4. Step 4: Simplify right side
    804,291.04x = 247,623,739,172.52
  5. Step 5: Solve for x
    x = 247,623,739,172.52/804,291.04
  6. Step 6: Final answer
    x = 307,878.28

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Double scale
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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.