Home / 816,101.40-1,224,324.90-247,435.80

Finding the Fourth Proportional to 816,101.40, 1,224,324.90 and 247,435.80

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Solution

The fourth proportional to 816,101.40, 1,224,324.90 and 247,435.80 is: 371,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,101.40 : 1,224,324.90 = 247,435.80 : x
  2. Step 2: Convert to fraction form
    816,101.40/1,224,324.90 = 247,435.80/x
  3. Step 3: Cross multiply
    816,101.40x = 1,224,324.90 × 247,435.80
  4. Step 4: Simplify right side
    816,101.40x = 302,941,811,091.42
  5. Step 5: Solve for x
    x = 302,941,811,091.42/816,101.40
  6. Step 6: Final answer
    x = 371,206.09

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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.