Home / 816,803.60-1,225,205.40-591,105.20

Finding the Fourth Proportional to 816,803.60, 1,225,205.40 and 591,105.20

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Solution

The fourth proportional to 816,803.60, 1,225,205.40 and 591,105.20 is: 886,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,803.60 : 1,225,205.40 = 591,105.20 : x
  2. Step 2: Convert to fraction form
    816,803.60/1,225,205.40 = 591,105.20/x
  3. Step 3: Cross multiply
    816,803.60x = 1,225,205.40 × 591,105.20
  4. Step 4: Simplify right side
    816,803.60x = 724,225,283,008.08
  5. Step 5: Solve for x
    x = 724,225,283,008.08/816,803.60
  6. Step 6: Final answer
    x = 886,657.80

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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.