Home / 1,189,724.80-1,784,587.20-629,852.80

Finding the Fourth Proportional to 1,189,724.80, 1,784,587.20 and 629,852.80

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Solution

The fourth proportional to 1,189,724.80, 1,784,587.20 and 629,852.80 is: 944,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,724.80 : 1,784,587.20 = 629,852.80 : x
  2. Step 2: Convert to fraction form
    1,189,724.80/1,784,587.20 = 629,852.80/x
  3. Step 3: Cross multiply
    1,189,724.80x = 1,784,587.20 × 629,852.80
  4. Step 4: Simplify right side
    1,189,724.80x = 1,124,027,244,764.16
  5. Step 5: Solve for x
    x = 1,124,027,244,764.16/1,189,724.80
  6. Step 6: Final answer
    x = 944,779.20

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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.