Home / 777,247.00-1,072,603.05-450,623.33

Finding the Fourth Proportional to 777,247.00, 1,072,603.05 and 450,623.33

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Solution

The fourth proportional to 777,247.00, 1,072,603.05 and 450,623.33 is: 621,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,247.00 : 1,072,603.05 = 450,623.33 : x
  2. Step 2: Convert to fraction form
    777,247.00/1,072,603.05 = 450,623.33/x
  3. Step 3: Cross multiply
    777,247.00x = 1,072,603.05 × 450,623.33
  4. Step 4: Simplify right side
    777,247.00x = 483,339,961,189.75
  5. Step 5: Solve for x
    x = 483,339,961,189.75/777,247.00
  6. Step 6: Final answer
    x = 621,861.47

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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.