Home / 841,320.33-1,262,137.37-272,650.74

Finding the Fourth Proportional to 841,320.33, 1,262,137.37 and 272,650.74

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Solution

The fourth proportional to 841,320.33, 1,262,137.37 and 272,650.74 is: 409,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,320.33 : 1,262,137.37 = 272,650.74 : x
  2. Step 2: Convert to fraction form
    841,320.33/1,262,137.37 = 272,650.74/x
  3. Step 3: Cross multiply
    841,320.33x = 1,262,137.37 × 272,650.74
  4. Step 4: Simplify right side
    841,320.33x = 344,122,686,548.90
  5. Step 5: Solve for x
    x = 344,122,686,548.90/841,320.33
  6. Step 6: Final answer
    x = 409,026.95

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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.