Home / 1,056,282.72-1,457,630.82-626,305.56

Finding the Fourth Proportional to 1,056,282.72, 1,457,630.82 and 626,305.56

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Solution

The fourth proportional to 1,056,282.72, 1,457,630.82 and 626,305.56 is: 864,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,282.72 : 1,457,630.82 = 626,305.56 : x
  2. Step 2: Convert to fraction form
    1,056,282.72/1,457,630.82 = 626,305.56/x
  3. Step 3: Cross multiply
    1,056,282.72x = 1,457,630.82 × 626,305.56
  4. Step 4: Simplify right side
    1,056,282.72x = 912,922,286,993.36
  5. Step 5: Solve for x
    x = 912,922,286,993.36/1,056,282.72
  6. Step 6: Final answer
    x = 864,278.35

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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.