Home / 777,976.80-1,072,568.16-583,558.08

Finding the Fourth Proportional to 777,976.80, 1,072,568.16 and 583,558.08

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Solution

The fourth proportional to 777,976.80, 1,072,568.16 and 583,558.08 is: 804,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,976.80 : 1,072,568.16 = 583,558.08 : x
  2. Step 2: Convert to fraction form
    777,976.80/1,072,568.16 = 583,558.08/x
  3. Step 3: Cross multiply
    777,976.80x = 1,072,568.16 × 583,558.08
  4. Step 4: Simplify right side
    777,976.80x = 625,905,816,118.73
  5. Step 5: Solve for x
    x = 625,905,816,118.73/777,976.80
  6. Step 6: Final answer
    x = 804,530.18

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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.