Home / 1,138,289.20-1,571,134.16-654,903.84

Finding the Fourth Proportional to 1,138,289.20, 1,571,134.16 and 654,903.84

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Solution

The fourth proportional to 1,138,289.20, 1,571,134.16 and 654,903.84 is: 903,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,289.20 : 1,571,134.16 = 654,903.84 : x
  2. Step 2: Convert to fraction form
    1,138,289.20/1,571,134.16 = 654,903.84/x
  3. Step 3: Cross multiply
    1,138,289.20x = 1,571,134.16 × 654,903.84
  4. Step 4: Simplify right side
    1,138,289.20x = 1,028,941,794,539.17
  5. Step 5: Solve for x
    x = 1,028,941,794,539.17/1,138,289.20
  6. Step 6: Final answer
    x = 903,937.06

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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.