Home / 810,572.01-1,118,597.66-443,059.64

Finding the Fourth Proportional to 810,572.01, 1,118,597.66 and 443,059.64

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Solution

The fourth proportional to 810,572.01, 1,118,597.66 and 443,059.64 is: 611,426.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,572.01 : 1,118,597.66 = 443,059.64 : x
  2. Step 2: Convert to fraction form
    810,572.01/1,118,597.66 = 443,059.64/x
  3. Step 3: Cross multiply
    810,572.01x = 1,118,597.66 × 443,059.64
  4. Step 4: Simplify right side
    810,572.01x = 495,605,474,592.37
  5. Step 5: Solve for x
    x = 495,605,474,592.37/810,572.01
  6. Step 6: Final answer
    x = 611,426.83

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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.