Home / 1,142,722.72-1,714,200.80-394,671.52

Finding the Fourth Proportional to 1,142,722.72, 1,714,200.80 and 394,671.52

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Solution

The fourth proportional to 1,142,722.72, 1,714,200.80 and 394,671.52 is: 592,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,722.72 : 1,714,200.80 = 394,671.52 : x
  2. Step 2: Convert to fraction form
    1,142,722.72/1,714,200.80 = 394,671.52/x
  3. Step 3: Cross multiply
    1,142,722.72x = 1,714,200.80 × 394,671.52
  4. Step 4: Simplify right side
    1,142,722.72x = 676,546,235,321.22
  5. Step 5: Solve for x
    x = 676,546,235,321.22/1,142,722.72
  6. Step 6: Final answer
    x = 592,047.59

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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.