Home / 1,048,308.64-1,572,158.88-408,469.66

Finding the Fourth Proportional to 1,048,308.64, 1,572,158.88 and 408,469.66

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Solution

The fourth proportional to 1,048,308.64, 1,572,158.88 and 408,469.66 is: 612,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,308.64 : 1,572,158.88 = 408,469.66 : x
  2. Step 2: Convert to fraction form
    1,048,308.64/1,572,158.88 = 408,469.66/x
  3. Step 3: Cross multiply
    1,048,308.64x = 1,572,158.88 × 408,469.66
  4. Step 4: Simplify right side
    1,048,308.64x = 642,179,203,179.58
  5. Step 5: Solve for x
    x = 642,179,203,179.58/1,048,308.64
  6. Step 6: Final answer
    x = 612,586.01

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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.