Home / 725,186.60-1,000,698.84-419,282.60

Finding the Fourth Proportional to 725,186.60, 1,000,698.84 and 419,282.60

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Solution

The fourth proportional to 725,186.60, 1,000,698.84 and 419,282.60 is: 578,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,186.60 : 1,000,698.84 = 419,282.60 : x
  2. Step 2: Convert to fraction form
    725,186.60/1,000,698.84 = 419,282.60/x
  3. Step 3: Cross multiply
    725,186.60x = 1,000,698.84 × 419,282.60
  4. Step 4: Simplify right side
    725,186.60x = 419,575,611,452.18
  5. Step 5: Solve for x
    x = 419,575,611,452.18/725,186.60
  6. Step 6: Final answer
    x = 578,576.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.