Home / 1,056,561.57-1,584,905.33-408,142.80

Finding the Fourth Proportional to 1,056,561.57, 1,584,905.33 and 408,142.80

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Solution

The fourth proportional to 1,056,561.57, 1,584,905.33 and 408,142.80 is: 612,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,561.57 : 1,584,905.33 = 408,142.80 : x
  2. Step 2: Convert to fraction form
    1,056,561.57/1,584,905.33 = 408,142.80/x
  3. Step 3: Cross multiply
    1,056,561.57x = 1,584,905.33 × 408,142.80
  4. Step 4: Simplify right side
    1,056,561.57x = 646,867,700,141.48
  5. Step 5: Solve for x
    x = 646,867,700,141.48/1,056,561.57
  6. Step 6: Final answer
    x = 612,238.53

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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.