Home / 729,743.95-1,094,619.83-478,614.74

Finding the Fourth Proportional to 729,743.95, 1,094,619.83 and 478,614.74

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Solution

The fourth proportional to 729,743.95, 1,094,619.83 and 478,614.74 is: 717,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,743.95 : 1,094,619.83 = 478,614.74 : x
  2. Step 2: Convert to fraction form
    729,743.95/1,094,619.83 = 478,614.74/x
  3. Step 3: Cross multiply
    729,743.95x = 1,094,619.83 × 478,614.74
  4. Step 4: Simplify right side
    729,743.95x = 523,901,183,625.36
  5. Step 5: Solve for x
    x = 523,901,183,625.36/729,743.95
  6. Step 6: Final answer
    x = 717,924.67

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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.