Home / 1,315,415.10-1,973,177.52-416,836.95

Finding the Fourth Proportional to 1,315,415.10, 1,973,177.52 and 416,836.95

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Solution

The fourth proportional to 1,315,415.10, 1,973,177.52 and 416,836.95 is: 625,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,415.10 : 1,973,177.52 = 416,836.95 : x
  2. Step 2: Convert to fraction form
    1,315,415.10/1,973,177.52 = 416,836.95/x
  3. Step 3: Cross multiply
    1,315,415.10x = 1,973,177.52 × 416,836.95
  4. Step 4: Simplify right side
    1,315,415.10x = 822,493,299,245.36
  5. Step 5: Solve for x
    x = 822,493,299,245.36/1,315,415.10
  6. Step 6: Final answer
    x = 625,272.81

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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.