Home / 1,256,515.62-1,884,150.74-446,778.57

Finding the Fourth Proportional to 1,256,515.62, 1,884,150.74 and 446,778.57

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Solution

The fourth proportional to 1,256,515.62, 1,884,150.74 and 446,778.57 is: 669,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,515.62 : 1,884,150.74 = 446,778.57 : x
  2. Step 2: Convert to fraction form
    1,256,515.62/1,884,150.74 = 446,778.57/x
  3. Step 3: Cross multiply
    1,256,515.62x = 1,884,150.74 × 446,778.57
  4. Step 4: Simplify right side
    1,256,515.62x = 841,798,171,047.75
  5. Step 5: Solve for x
    x = 841,798,171,047.75/1,256,515.62
  6. Step 6: Final answer
    x = 669,946.44

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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.