Home / 1,256,887.88-1,885,627.08-415,439.66

Finding the Fourth Proportional to 1,256,887.88, 1,885,627.08 and 415,439.66

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Solution

The fourth proportional to 1,256,887.88, 1,885,627.08 and 415,439.66 is: 623,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,887.88 : 1,885,627.08 = 415,439.66 : x
  2. Step 2: Convert to fraction form
    1,256,887.88/1,885,627.08 = 415,439.66/x
  3. Step 3: Cross multiply
    1,256,887.88x = 1,885,627.08 × 415,439.66
  4. Step 4: Simplify right side
    1,256,887.88x = 783,364,273,001.99
  5. Step 5: Solve for x
    x = 783,364,273,001.99/1,256,887.88
  6. Step 6: Final answer
    x = 623,257.08

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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.