Home / 1,326,999.02-1,990,499.94-329,727.02

Finding the Fourth Proportional to 1,326,999.02, 1,990,499.94 and 329,727.02

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Solution

The fourth proportional to 1,326,999.02, 1,990,499.94 and 329,727.02 is: 494,590.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,999.02 : 1,990,499.94 = 329,727.02 : x
  2. Step 2: Convert to fraction form
    1,326,999.02/1,990,499.94 = 329,727.02/x
  3. Step 3: Cross multiply
    1,326,999.02x = 1,990,499.94 × 329,727.02
  4. Step 4: Simplify right side
    1,326,999.02x = 656,321,613,526.38
  5. Step 5: Solve for x
    x = 656,321,613,526.38/1,326,999.02
  6. Step 6: Final answer
    x = 494,590.88

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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.