Home / 764,074.17-1,054,745.62-515,770.29

Finding the Fourth Proportional to 764,074.17, 1,054,745.62 and 515,770.29

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Solution

The fourth proportional to 764,074.17, 1,054,745.62 and 515,770.29 is: 711,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,074.17 : 1,054,745.62 = 515,770.29 : x
  2. Step 2: Convert to fraction form
    764,074.17/1,054,745.62 = 515,770.29/x
  3. Step 3: Cross multiply
    764,074.17x = 1,054,745.62 × 515,770.29
  4. Step 4: Simplify right side
    764,074.17x = 544,006,453,014.20
  5. Step 5: Solve for x
    x = 544,006,453,014.20/764,074.17
  6. Step 6: Final answer
    x = 711,981.21

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Double scale
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1.5x scale

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.