Home / 1,256,678.08-1,885,192.20-403,775.44

Finding the Fourth Proportional to 1,256,678.08, 1,885,192.20 and 403,775.44

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Solution

The fourth proportional to 1,256,678.08, 1,885,192.20 and 403,775.44 is: 605,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,678.08 : 1,885,192.20 = 403,775.44 : x
  2. Step 2: Convert to fraction form
    1,256,678.08/1,885,192.20 = 403,775.44/x
  3. Step 3: Cross multiply
    1,256,678.08x = 1,885,192.20 × 403,775.44
  4. Step 4: Simplify right side
    1,256,678.08x = 761,194,310,039.57
  5. Step 5: Solve for x
    x = 761,194,310,039.57/1,256,678.08
  6. Step 6: Final answer
    x = 605,719.41

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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.