Home / 1,665,539.06-2,298,305.46-977,138.89

Finding the Fourth Proportional to 1,665,539.06, 2,298,305.46 and 977,138.89

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Solution

The fourth proportional to 1,665,539.06, 2,298,305.46 and 977,138.89 is: 1,348,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,539.06 : 2,298,305.46 = 977,138.89 : x
  2. Step 2: Convert to fraction form
    1,665,539.06/2,298,305.46 = 977,138.89/x
  3. Step 3: Cross multiply
    1,665,539.06x = 2,298,305.46 × 977,138.89
  4. Step 4: Simplify right side
    1,665,539.06x = 2,245,763,651,415.41
  5. Step 5: Solve for x
    x = 2,245,763,651,415.41/1,665,539.06
  6. Step 6: Final answer
    x = 1,348,370.45

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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.