Home / 958,230.95-1,322,311.03-528,485.45

Finding the Fourth Proportional to 958,230.95, 1,322,311.03 and 528,485.45

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Solution

The fourth proportional to 958,230.95, 1,322,311.03 and 528,485.45 is: 729,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,230.95 : 1,322,311.03 = 528,485.45 : x
  2. Step 2: Convert to fraction form
    958,230.95/1,322,311.03 = 528,485.45/x
  3. Step 3: Cross multiply
    958,230.95x = 1,322,311.03 × 528,485.45
  4. Step 4: Simplify right side
    958,230.95x = 698,822,131,796.75
  5. Step 5: Solve for x
    x = 698,822,131,796.75/958,230.95
  6. Step 6: Final answer
    x = 729,283.62

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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.