Home / 1,691,798.80-2,334,830-927,999.98

Finding the Fourth Proportional to 1,691,798.80, 2,334,830 and 927,999.98

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Solution

The fourth proportional to 1,691,798.80, 2,334,830 and 927,999.98 is: 1,280,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,798.80 : 2,334,830 = 927,999.98 : x
  2. Step 2: Convert to fraction form
    1,691,798.80/2,334,830 = 927,999.98/x
  3. Step 3: Cross multiply
    1,691,798.80x = 2,334,830 × 927,999.98
  4. Step 4: Simplify right side
    1,691,798.80x = 2,166,722,193,303.40
  5. Step 5: Solve for x
    x = 2,166,722,193,303.40/1,691,798.80
  6. Step 6: Final answer
    x = 1,280,720.97

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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.