Home / 837,548.51-1,155,727.64-493,364.12

Finding the Fourth Proportional to 837,548.51, 1,155,727.64 and 493,364.12

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Solution

The fourth proportional to 837,548.51, 1,155,727.64 and 493,364.12 is: 680,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,548.51 : 1,155,727.64 = 493,364.12 : x
  2. Step 2: Convert to fraction form
    837,548.51/1,155,727.64 = 493,364.12/x
  3. Step 3: Cross multiply
    837,548.51x = 1,155,727.64 × 493,364.12
  4. Step 4: Simplify right side
    837,548.51x = 570,194,545,523.05
  5. Step 5: Solve for x
    x = 570,194,545,523.05/837,548.51
  6. Step 6: Final answer
    x = 680,789.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.