Home / 830,705.27-1,246,057.77-199,619.09

Finding the Fourth Proportional to 830,705.27, 1,246,057.77 and 199,619.09

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Solution

The fourth proportional to 830,705.27, 1,246,057.77 and 199,619.09 is: 299,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,705.27 : 1,246,057.77 = 199,619.09 : x
  2. Step 2: Convert to fraction form
    830,705.27/1,246,057.77 = 199,619.09/x
  3. Step 3: Cross multiply
    830,705.27x = 1,246,057.77 × 199,619.09
  4. Step 4: Simplify right side
    830,705.27x = 248,736,911,904.54
  5. Step 5: Solve for x
    x = 248,736,911,904.54/830,705.27
  6. Step 6: Final answer
    x = 299,428.60

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1.5x scale

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.