Home / 1,317,320.66-1,816,899.44-1,133,871.46

Finding the Fourth Proportional to 1,317,320.66, 1,816,899.44 and 1,133,871.46

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Solution

The fourth proportional to 1,317,320.66, 1,816,899.44 and 1,133,871.46 is: 1,563,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,320.66 : 1,816,899.44 = 1,133,871.46 : x
  2. Step 2: Convert to fraction form
    1,317,320.66/1,816,899.44 = 1,133,871.46/x
  3. Step 3: Cross multiply
    1,317,320.66x = 1,816,899.44 × 1,133,871.46
  4. Step 4: Simplify right side
    1,317,320.66x = 2,060,130,420,705.98
  5. Step 5: Solve for x
    x = 2,060,130,420,705.98/1,317,320.66
  6. Step 6: Final answer
    x = 1,563,879.23

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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.