Home / 963,906.53-1,330,161.93-528,314.39

Finding the Fourth Proportional to 963,906.53, 1,330,161.93 and 528,314.39

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Solution

The fourth proportional to 963,906.53, 1,330,161.93 and 528,314.39 is: 729,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,906.53 : 1,330,161.93 = 528,314.39 : x
  2. Step 2: Convert to fraction form
    963,906.53/1,330,161.93 = 528,314.39/x
  3. Step 3: Cross multiply
    963,906.53x = 1,330,161.93 × 528,314.39
  4. Step 4: Simplify right side
    963,906.53x = 702,743,681,998.36
  5. Step 5: Solve for x
    x = 702,743,681,998.36/963,906.53
  6. Step 6: Final answer
    x = 729,057.92

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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.