Home / 774,213.50-1,068,415.44-434,682.56

Finding the Fourth Proportional to 774,213.50, 1,068,415.44 and 434,682.56

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Solution

The fourth proportional to 774,213.50, 1,068,415.44 and 434,682.56 is: 599,862.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,213.50 : 1,068,415.44 = 434,682.56 : x
  2. Step 2: Convert to fraction form
    774,213.50/1,068,415.44 = 434,682.56/x
  3. Step 3: Cross multiply
    774,213.50x = 1,068,415.44 × 434,682.56
  4. Step 4: Simplify right side
    774,213.50x = 464,421,558,602.73
  5. Step 5: Solve for x
    x = 464,421,558,602.73/774,213.50
  6. Step 6: Final answer
    x = 599,862.39

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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.