Home / 611,455.20-916,405.20-544,581.60

Finding the Fourth Proportional to 611,455.20, 916,405.20 and 544,581.60

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Solution

The fourth proportional to 611,455.20, 916,405.20 and 544,581.60 is: 816,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,455.20 : 916,405.20 = 544,581.60 : x
  2. Step 2: Convert to fraction form
    611,455.20/916,405.20 = 544,581.60/x
  3. Step 3: Cross multiply
    611,455.20x = 916,405.20 × 544,581.60
  4. Step 4: Simplify right side
    611,455.20x = 499,057,410,064.32
  5. Step 5: Solve for x
    x = 499,057,410,064.32/611,455.20
  6. Step 6: Final answer
    x = 816,179.84

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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.