Home / 712,240.83-1,068,445.62-446,023.35

Finding the Fourth Proportional to 712,240.83, 1,068,445.62 and 446,023.35

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Solution

The fourth proportional to 712,240.83, 1,068,445.62 and 446,023.35 is: 669,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,240.83 : 1,068,445.62 = 446,023.35 : x
  2. Step 2: Convert to fraction form
    712,240.83/1,068,445.62 = 446,023.35/x
  3. Step 3: Cross multiply
    712,240.83x = 1,068,445.62 × 446,023.35
  4. Step 4: Simplify right side
    712,240.83x = 476,551,694,725.23
  5. Step 5: Solve for x
    x = 476,551,694,725.23/712,240.83
  6. Step 6: Final answer
    x = 669,087.86

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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.