Home / 786,827.40-1,180,241.10-698,253.90

Finding the Fourth Proportional to 786,827.40, 1,180,241.10 and 698,253.90

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Solution

The fourth proportional to 786,827.40, 1,180,241.10 and 698,253.90 is: 1,047,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,827.40 : 1,180,241.10 = 698,253.90 : x
  2. Step 2: Convert to fraction form
    786,827.40/1,180,241.10 = 698,253.90/x
  3. Step 3: Cross multiply
    786,827.40x = 1,180,241.10 × 698,253.90
  4. Step 4: Simplify right side
    786,827.40x = 824,107,951,015.29
  5. Step 5: Solve for x
    x = 824,107,951,015.29/786,827.40
  6. Step 6: Final answer
    x = 1,047,380.85

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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.