Home / 889,884.74-1,228,033.50-481,977.11

Finding the Fourth Proportional to 889,884.74, 1,228,033.50 and 481,977.11

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Solution

The fourth proportional to 889,884.74, 1,228,033.50 and 481,977.11 is: 665,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,884.74 : 1,228,033.50 = 481,977.11 : x
  2. Step 2: Convert to fraction form
    889,884.74/1,228,033.50 = 481,977.11/x
  3. Step 3: Cross multiply
    889,884.74x = 1,228,033.50 × 481,977.11
  4. Step 4: Simplify right side
    889,884.74x = 591,884,037,313.19
  5. Step 5: Solve for x
    x = 591,884,037,313.19/889,884.74
  6. Step 6: Final answer
    x = 665,124.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.