Home / 951,779.86-1,313,492.97-522,078.10

Finding the Fourth Proportional to 951,779.86, 1,313,492.97 and 522,078.10

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Solution

The fourth proportional to 951,779.86, 1,313,492.97 and 522,078.10 is: 720,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,779.86 : 1,313,492.97 = 522,078.10 : x
  2. Step 2: Convert to fraction form
    951,779.86/1,313,492.97 = 522,078.10/x
  3. Step 3: Cross multiply
    951,779.86x = 1,313,492.97 × 522,078.10
  4. Step 4: Simplify right side
    951,779.86x = 685,745,914,140.96
  5. Step 5: Solve for x
    x = 685,745,914,140.96/951,779.86
  6. Step 6: Final answer
    x = 720,487.94

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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.