Home / 1,725,909.60-2,586,920.40-827,781.60

Finding the Fourth Proportional to 1,725,909.60, 2,586,920.40 and 827,781.60

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Solution

The fourth proportional to 1,725,909.60, 2,586,920.40 and 827,781.60 is: 1,240,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,909.60 : 2,586,920.40 = 827,781.60 : x
  2. Step 2: Convert to fraction form
    1,725,909.60/2,586,920.40 = 827,781.60/x
  3. Step 3: Cross multiply
    1,725,909.60x = 2,586,920.40 × 827,781.60
  4. Step 4: Simplify right side
    1,725,909.60x = 2,141,405,107,784.64
  5. Step 5: Solve for x
    x = 2,141,405,107,784.64/1,725,909.60
  6. Step 6: Final answer
    x = 1,240,740.02

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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.