Home / 810,632.55-1,118,653.47-443,093.28

Finding the Fourth Proportional to 810,632.55, 1,118,653.47 and 443,093.28

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Solution

The fourth proportional to 810,632.55, 1,118,653.47 and 443,093.28 is: 611,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,632.55 : 1,118,653.47 = 443,093.28 : x
  2. Step 2: Convert to fraction form
    810,632.55/1,118,653.47 = 443,093.28/x
  3. Step 3: Cross multiply
    810,632.55x = 1,118,653.47 × 443,093.28
  4. Step 4: Simplify right side
    810,632.55x = 495,667,835,205.68
  5. Step 5: Solve for x
    x = 495,667,835,205.68/810,632.55
  6. Step 6: Final answer
    x = 611,458.10

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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.