Home / 719,771.10-993,947.67-481,998.30

Finding the Fourth Proportional to 719,771.10, 993,947.67 and 481,998.30

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Solution

The fourth proportional to 719,771.10, 993,947.67 and 481,998.30 is: 665,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,771.10 : 993,947.67 = 481,998.30 : x
  2. Step 2: Convert to fraction form
    719,771.10/993,947.67 = 481,998.30/x
  3. Step 3: Cross multiply
    719,771.10x = 993,947.67 × 481,998.30
  4. Step 4: Simplify right side
    719,771.10x = 479,081,087,228.96
  5. Step 5: Solve for x
    x = 479,081,087,228.96/719,771.10
  6. Step 6: Final answer
    x = 665,602.00

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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.