Home / 905,986.80-1,356,023.08-666,037.16

Finding the Fourth Proportional to 905,986.80, 1,356,023.08 and 666,037.16

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Solution

The fourth proportional to 905,986.80, 1,356,023.08 and 666,037.16 is: 996,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,986.80 : 1,356,023.08 = 666,037.16 : x
  2. Step 2: Convert to fraction form
    905,986.80/1,356,023.08 = 666,037.16/x
  3. Step 3: Cross multiply
    905,986.80x = 1,356,023.08 × 666,037.16
  4. Step 4: Simplify right side
    905,986.80x = 903,161,761,097.65
  5. Step 5: Solve for x
    x = 903,161,761,097.65/905,986.80
  6. Step 6: Final answer
    x = 996,881.81

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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.