Home / 919,553.60-1,268,736-537,674.24

Finding the Fourth Proportional to 919,553.60, 1,268,736 and 537,674.24

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Solution

The fourth proportional to 919,553.60, 1,268,736 and 537,674.24 is: 741,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,553.60 : 1,268,736 = 537,674.24 : x
  2. Step 2: Convert to fraction form
    919,553.60/1,268,736 = 537,674.24/x
  3. Step 3: Cross multiply
    919,553.60x = 1,268,736 × 537,674.24
  4. Step 4: Simplify right side
    919,553.60x = 682,166,664,560.64
  5. Step 5: Solve for x
    x = 682,166,664,560.64/919,553.60
  6. Step 6: Final answer
    x = 741,845.46

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Double scale
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1.5x scale

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.