Home / 1,215,296.64-1,823,166.36-416,658.96

Finding the Fourth Proportional to 1,215,296.64, 1,823,166.36 and 416,658.96

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Solution

The fourth proportional to 1,215,296.64, 1,823,166.36 and 416,658.96 is: 625,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,296.64 : 1,823,166.36 = 416,658.96 : x
  2. Step 2: Convert to fraction form
    1,215,296.64/1,823,166.36 = 416,658.96/x
  3. Step 3: Cross multiply
    1,215,296.64x = 1,823,166.36 × 416,658.96
  4. Step 4: Simplify right side
    1,215,296.64x = 759,638,599,464.59
  5. Step 5: Solve for x
    x = 759,638,599,464.59/1,215,296.64
  6. Step 6: Final answer
    x = 625,064.35

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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.