Home / 1,416,838.52-1,955,238.39-772,245.78

Finding the Fourth Proportional to 1,416,838.52, 1,955,238.39 and 772,245.78

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Solution

The fourth proportional to 1,416,838.52, 1,955,238.39 and 772,245.78 is: 1,065,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,838.52 : 1,955,238.39 = 772,245.78 : x
  2. Step 2: Convert to fraction form
    1,416,838.52/1,955,238.39 = 772,245.78/x
  3. Step 3: Cross multiply
    1,416,838.52x = 1,955,238.39 × 772,245.78
  4. Step 4: Simplify right side
    1,416,838.52x = 1,509,924,595,571.49
  5. Step 5: Solve for x
    x = 1,509,924,595,571.49/1,416,838.52
  6. Step 6: Final answer
    x = 1,065,699.85

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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.