Home / 1,157,786.60-1,736,987.10-409,754.60

Finding the Fourth Proportional to 1,157,786.60, 1,736,987.10 and 409,754.60

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Solution

The fourth proportional to 1,157,786.60, 1,736,987.10 and 409,754.60 is: 614,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,786.60 : 1,736,987.10 = 409,754.60 : x
  2. Step 2: Convert to fraction form
    1,157,786.60/1,736,987.10 = 409,754.60/x
  3. Step 3: Cross multiply
    1,157,786.60x = 1,736,987.10 × 409,754.60
  4. Step 4: Simplify right side
    1,157,786.60x = 711,738,454,365.66
  5. Step 5: Solve for x
    x = 711,738,454,365.66/1,157,786.60
  6. Step 6: Final answer
    x = 614,740.62

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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.