Home / 1,151,290.13-1,727,333.37-393,664.86

Finding the Fourth Proportional to 1,151,290.13, 1,727,333.37 and 393,664.86

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Solution

The fourth proportional to 1,151,290.13, 1,727,333.37 and 393,664.86 is: 590,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,290.13 : 1,727,333.37 = 393,664.86 : x
  2. Step 2: Convert to fraction form
    1,151,290.13/1,727,333.37 = 393,664.86/x
  3. Step 3: Cross multiply
    1,151,290.13x = 1,727,333.37 × 393,664.86
  4. Step 4: Simplify right side
    1,151,290.13x = 679,990,449,274.38
  5. Step 5: Solve for x
    x = 679,990,449,274.38/1,151,290.13
  6. Step 6: Final answer
    x = 590,633.44

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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.