Home / 1,280,800.64-1,767,507.70-700,033.06

Finding the Fourth Proportional to 1,280,800.64, 1,767,507.70 and 700,033.06

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Solution

The fourth proportional to 1,280,800.64, 1,767,507.70 and 700,033.06 is: 966,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,800.64 : 1,767,507.70 = 700,033.06 : x
  2. Step 2: Convert to fraction form
    1,280,800.64/1,767,507.70 = 700,033.06/x
  3. Step 3: Cross multiply
    1,280,800.64x = 1,767,507.70 × 700,033.06
  4. Step 4: Simplify right side
    1,280,800.64x = 1,237,313,823,804.56
  5. Step 5: Solve for x
    x = 1,237,313,823,804.56/1,280,800.64
  6. Step 6: Final answer
    x = 966,047.16

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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.