Home / 830,901.60-1,246,352.40-298,504.80

Finding the Fourth Proportional to 830,901.60, 1,246,352.40 and 298,504.80

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Solution

The fourth proportional to 830,901.60, 1,246,352.40 and 298,504.80 is: 447,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,901.60 : 1,246,352.40 = 298,504.80 : x
  2. Step 2: Convert to fraction form
    830,901.60/1,246,352.40 = 298,504.80/x
  3. Step 3: Cross multiply
    830,901.60x = 1,246,352.40 × 298,504.80
  4. Step 4: Simplify right side
    830,901.60x = 372,042,173,891.52
  5. Step 5: Solve for x
    x = 372,042,173,891.52/830,901.60
  6. Step 6: Final answer
    x = 447,757.20

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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.