Home / 611,539.20-916,531.20-544,665.60

Finding the Fourth Proportional to 611,539.20, 916,531.20 and 544,665.60

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Solution

The fourth proportional to 611,539.20, 916,531.20 and 544,665.60 is: 816,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,539.20 : 916,531.20 = 544,665.60 : x
  2. Step 2: Convert to fraction form
    611,539.20/916,531.20 = 544,665.60/x
  3. Step 3: Cross multiply
    611,539.20x = 916,531.20 × 544,665.60
  4. Step 4: Simplify right side
    611,539.20x = 499,203,015,966.72
  5. Step 5: Solve for x
    x = 499,203,015,966.72/611,539.20
  6. Step 6: Final answer
    x = 816,305.83

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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.