Home / 1,017,416.63-1,404,040.41-635,664.84

Finding the Fourth Proportional to 1,017,416.63, 1,404,040.41 and 635,664.84

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Solution

The fourth proportional to 1,017,416.63, 1,404,040.41 and 635,664.84 is: 877,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,416.63 : 1,404,040.41 = 635,664.84 : x
  2. Step 2: Convert to fraction form
    1,017,416.63/1,404,040.41 = 635,664.84/x
  3. Step 3: Cross multiply
    1,017,416.63x = 1,404,040.41 × 635,664.84
  4. Step 4: Simplify right side
    1,017,416.63x = 892,499,122,576.18
  5. Step 5: Solve for x
    x = 892,499,122,576.18/1,017,416.63
  6. Step 6: Final answer
    x = 877,220.90

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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.