Home / 1,816,781.72-2,725,594.74-618,714.44

Finding the Fourth Proportional to 1,816,781.72, 2,725,594.74 and 618,714.44

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Solution

The fourth proportional to 1,816,781.72, 2,725,594.74 and 618,714.44 is: 928,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,781.72 : 2,725,594.74 = 618,714.44 : x
  2. Step 2: Convert to fraction form
    1,816,781.72/2,725,594.74 = 618,714.44/x
  3. Step 3: Cross multiply
    1,816,781.72x = 2,725,594.74 × 618,714.44
  4. Step 4: Simplify right side
    1,816,781.72x = 1,686,364,809,598.07
  5. Step 5: Solve for x
    x = 1,686,364,809,598.07/1,816,781.72
  6. Step 6: Final answer
    x = 928,215.42

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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.