Home / 1,623,308.30-2,240,018.07-934,796.78

Finding the Fourth Proportional to 1,623,308.30, 2,240,018.07 and 934,796.78

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Solution

The fourth proportional to 1,623,308.30, 2,240,018.07 and 934,796.78 is: 1,289,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,308.30 : 2,240,018.07 = 934,796.78 : x
  2. Step 2: Convert to fraction form
    1,623,308.30/2,240,018.07 = 934,796.78/x
  3. Step 3: Cross multiply
    1,623,308.30x = 2,240,018.07 × 934,796.78
  4. Step 4: Simplify right side
    1,623,308.30x = 2,093,961,678,977.81
  5. Step 5: Solve for x
    x = 2,093,961,678,977.81/1,623,308.30
  6. Step 6: Final answer
    x = 1,289,934.68

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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.