Home / 830,425.60-1,246,221.60-531,632.80

Finding the Fourth Proportional to 830,425.60, 1,246,221.60 and 531,632.80

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Solution

The fourth proportional to 830,425.60, 1,246,221.60 and 531,632.80 is: 797,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,425.60 : 1,246,221.60 = 531,632.80 : x
  2. Step 2: Convert to fraction form
    830,425.60/1,246,221.60 = 531,632.80/x
  3. Step 3: Cross multiply
    830,425.60x = 1,246,221.60 × 531,632.80
  4. Step 4: Simplify right side
    830,425.60x = 662,532,278,628.48
  5. Step 5: Solve for x
    x = 662,532,278,628.48/830,425.60
  6. Step 6: Final answer
    x = 797,822.56

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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.