Home / 1,656,828.45-2,286,408.95-931,660.71

Finding the Fourth Proportional to 1,656,828.45, 2,286,408.95 and 931,660.71

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Solution

The fourth proportional to 1,656,828.45, 2,286,408.95 and 931,660.71 is: 1,285,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,828.45 : 2,286,408.95 = 931,660.71 : x
  2. Step 2: Convert to fraction form
    1,656,828.45/2,286,408.95 = 931,660.71/x
  3. Step 3: Cross multiply
    1,656,828.45x = 2,286,408.95 × 931,660.71
  4. Step 4: Simplify right side
    1,656,828.45x = 2,130,157,379,778.97
  5. Step 5: Solve for x
    x = 2,130,157,379,778.97/1,656,828.45
  6. Step 6: Final answer
    x = 1,285,683.73

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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.