Home / 1,457,916.40-2,186,625.35-392,709.34

Finding the Fourth Proportional to 1,457,916.40, 2,186,625.35 and 392,709.34

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Solution

The fourth proportional to 1,457,916.40, 2,186,625.35 and 392,709.34 is: 588,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,916.40 : 2,186,625.35 = 392,709.34 : x
  2. Step 2: Convert to fraction form
    1,457,916.40/2,186,625.35 = 392,709.34/x
  3. Step 3: Cross multiply
    1,457,916.40x = 2,186,625.35 × 392,709.34
  4. Step 4: Simplify right side
    1,457,916.40x = 858,708,193,540.98
  5. Step 5: Solve for x
    x = 858,708,193,540.98/1,457,916.40
  6. Step 6: Final answer
    x = 588,996.87

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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.