Home / 1,659,261.61-2,289,999.45-934,251.06

Finding the Fourth Proportional to 1,659,261.61, 2,289,999.45 and 934,251.06

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Solution

The fourth proportional to 1,659,261.61, 2,289,999.45 and 934,251.06 is: 1,289,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,261.61 : 2,289,999.45 = 934,251.06 : x
  2. Step 2: Convert to fraction form
    1,659,261.61/2,289,999.45 = 934,251.06/x
  3. Step 3: Cross multiply
    1,659,261.61x = 2,289,999.45 × 934,251.06
  4. Step 4: Simplify right side
    1,659,261.61x = 2,139,434,420,397.69
  5. Step 5: Solve for x
    x = 2,139,434,420,397.69/1,659,261.61
  6. Step 6: Final answer
    x = 1,289,389.45

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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.