Home / 1,348,005.80-2,022,008.70-1,245,362.60

Finding the Fourth Proportional to 1,348,005.80, 2,022,008.70 and 1,245,362.60

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Solution

The fourth proportional to 1,348,005.80, 2,022,008.70 and 1,245,362.60 is: 1,868,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,005.80 : 2,022,008.70 = 1,245,362.60 : x
  2. Step 2: Convert to fraction form
    1,348,005.80/2,022,008.70 = 1,245,362.60/x
  3. Step 3: Cross multiply
    1,348,005.80x = 2,022,008.70 × 1,245,362.60
  4. Step 4: Simplify right side
    1,348,005.80x = 2,518,134,011,854.62
  5. Step 5: Solve for x
    x = 2,518,134,011,854.62/1,348,005.80
  6. Step 6: Final answer
    x = 1,868,043.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.