Home / 797,855.40-1,197,560.70-398,946.60

Finding the Fourth Proportional to 797,855.40, 1,197,560.70 and 398,946.60

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Solution

The fourth proportional to 797,855.40, 1,197,560.70 and 398,946.60 is: 598,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,855.40 : 1,197,560.70 = 398,946.60 : x
  2. Step 2: Convert to fraction form
    797,855.40/1,197,560.70 = 398,946.60/x
  3. Step 3: Cross multiply
    797,855.40x = 1,197,560.70 × 398,946.60
  4. Step 4: Simplify right side
    797,855.40x = 477,762,769,558.62
  5. Step 5: Solve for x
    x = 477,762,769,558.62/797,855.40
  6. Step 6: Final answer
    x = 598,808.72

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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.