Home / 1,345,938.56-1,857,596.64-863,048.96

Finding the Fourth Proportional to 1,345,938.56, 1,857,596.64 and 863,048.96

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Solution

The fourth proportional to 1,345,938.56, 1,857,596.64 and 863,048.96 is: 1,191,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,938.56 : 1,857,596.64 = 863,048.96 : x
  2. Step 2: Convert to fraction form
    1,345,938.56/1,857,596.64 = 863,048.96/x
  3. Step 3: Cross multiply
    1,345,938.56x = 1,857,596.64 × 863,048.96
  4. Step 4: Simplify right side
    1,345,938.56x = 1,603,196,848,251.49
  5. Step 5: Solve for x
    x = 1,603,196,848,251.49/1,345,938.56
  6. Step 6: Final answer
    x = 1,191,136.72

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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.