Home / 1,640,928.92-2,461,682.28-561,187.64

Finding the Fourth Proportional to 1,640,928.92, 2,461,682.28 and 561,187.64

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Solution

The fourth proportional to 1,640,928.92, 2,461,682.28 and 561,187.64 is: 841,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,928.92 : 2,461,682.28 = 561,187.64 : x
  2. Step 2: Convert to fraction form
    1,640,928.92/2,461,682.28 = 561,187.64/x
  3. Step 3: Cross multiply
    1,640,928.92x = 2,461,682.28 × 561,187.64
  4. Step 4: Simplify right side
    1,640,928.92x = 1,381,465,669,143.02
  5. Step 5: Solve for x
    x = 1,381,465,669,143.02/1,640,928.92
  6. Step 6: Final answer
    x = 841,880.26

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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.