Home / 1,096,200.64-1,512,672.72-666,421.12

Finding the Fourth Proportional to 1,096,200.64, 1,512,672.72 and 666,421.12

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Solution

The fourth proportional to 1,096,200.64, 1,512,672.72 and 666,421.12 is: 919,609.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,200.64 : 1,512,672.72 = 666,421.12 : x
  2. Step 2: Convert to fraction form
    1,096,200.64/1,512,672.72 = 666,421.12/x
  3. Step 3: Cross multiply
    1,096,200.64x = 1,512,672.72 × 666,421.12
  4. Step 4: Simplify right side
    1,096,200.64x = 1,008,077,048,255.85
  5. Step 5: Solve for x
    x = 1,008,077,048,255.85/1,096,200.64
  6. Step 6: Final answer
    x = 919,609.98

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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.