Home / 1,728,168.90-2,384,823.51-964,206.06

Finding the Fourth Proportional to 1,728,168.90, 2,384,823.51 and 964,206.06

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Solution

The fourth proportional to 1,728,168.90, 2,384,823.51 and 964,206.06 is: 1,330,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,168.90 : 2,384,823.51 = 964,206.06 : x
  2. Step 2: Convert to fraction form
    1,728,168.90/2,384,823.51 = 964,206.06/x
  3. Step 3: Cross multiply
    1,728,168.90x = 2,384,823.51 × 964,206.06
  4. Step 4: Simplify right side
    1,728,168.90x = 2,299,461,280,372.47
  5. Step 5: Solve for x
    x = 2,299,461,280,372.47/1,728,168.90
  6. Step 6: Final answer
    x = 1,330,576.70

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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.