Home / 692,667.80-1,036,638.52-580,474.70

Finding the Fourth Proportional to 692,667.80, 1,036,638.52 and 580,474.70

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Solution

The fourth proportional to 692,667.80, 1,036,638.52 and 580,474.70 is: 868,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,667.80 : 1,036,638.52 = 580,474.70 : x
  2. Step 2: Convert to fraction form
    692,667.80/1,036,638.52 = 580,474.70/x
  3. Step 3: Cross multiply
    692,667.80x = 1,036,638.52 × 580,474.70
  4. Step 4: Simplify right side
    692,667.80x = 601,742,433,905.44
  5. Step 5: Solve for x
    x = 601,742,433,905.44/692,667.80
  6. Step 6: Final answer
    x = 868,731.64

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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.