Home / 1,282,889.56-1,770,361.02-709,895.32

Finding the Fourth Proportional to 1,282,889.56, 1,770,361.02 and 709,895.32

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Solution

The fourth proportional to 1,282,889.56, 1,770,361.02 and 709,895.32 is: 979,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,889.56 : 1,770,361.02 = 709,895.32 : x
  2. Step 2: Convert to fraction form
    1,282,889.56/1,770,361.02 = 709,895.32/x
  3. Step 3: Cross multiply
    1,282,889.56x = 1,770,361.02 × 709,895.32
  4. Step 4: Simplify right side
    1,282,889.56x = 1,256,771,002,808.43
  5. Step 5: Solve for x
    x = 1,256,771,002,808.43/1,282,889.56
  6. Step 6: Final answer
    x = 979,640.84

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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.