Home / 1,901,834.78-2,852,928.07-687,714.44

Finding the Fourth Proportional to 1,901,834.78, 2,852,928.07 and 687,714.44

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Solution

The fourth proportional to 1,901,834.78, 2,852,928.07 and 687,714.44 is: 1,031,635.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,834.78 : 2,852,928.07 = 687,714.44 : x
  2. Step 2: Convert to fraction form
    1,901,834.78/2,852,928.07 = 687,714.44/x
  3. Step 3: Cross multiply
    1,901,834.78x = 2,852,928.07 × 687,714.44
  4. Step 4: Simplify right side
    1,901,834.78x = 1,961,999,814,036.40
  5. Step 5: Solve for x
    x = 1,961,999,814,036.40/1,901,834.78
  6. Step 6: Final answer
    x = 1,031,635.26

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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.