Home / 539,979.40-809,968.62-166,001.80

Finding the Fourth Proportional to 539,979.40, 809,968.62 and 166,001.80

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Solution

The fourth proportional to 539,979.40, 809,968.62 and 166,001.80 is: 249,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,979.40 : 809,968.62 = 166,001.80 : x
  2. Step 2: Convert to fraction form
    539,979.40/809,968.62 = 166,001.80/x
  3. Step 3: Cross multiply
    539,979.40x = 809,968.62 × 166,001.80
  4. Step 4: Simplify right side
    539,979.40x = 134,456,248,863.52
  5. Step 5: Solve for x
    x = 134,456,248,863.52/539,979.40
  6. Step 6: Final answer
    x = 249,002.55

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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.