Home / 938,893.64-1,295,638.26-556,691.72

Finding the Fourth Proportional to 938,893.64, 1,295,638.26 and 556,691.72

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Solution

The fourth proportional to 938,893.64, 1,295,638.26 and 556,691.72 is: 768,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,893.64 : 1,295,638.26 = 556,691.72 : x
  2. Step 2: Convert to fraction form
    938,893.64/1,295,638.26 = 556,691.72/x
  3. Step 3: Cross multiply
    938,893.64x = 1,295,638.26 × 556,691.72
  4. Step 4: Simplify right side
    938,893.64x = 721,271,091,457.21
  5. Step 5: Solve for x
    x = 721,271,091,457.21/938,893.64
  6. Step 6: Final answer
    x = 768,213.84

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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.