Home / 1,181,144.56-1,629,956.76-644,604.40

Finding the Fourth Proportional to 1,181,144.56, 1,629,956.76 and 644,604.40

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Solution

The fourth proportional to 1,181,144.56, 1,629,956.76 and 644,604.40 is: 889,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,144.56 : 1,629,956.76 = 644,604.40 : x
  2. Step 2: Convert to fraction form
    1,181,144.56/1,629,956.76 = 644,604.40/x
  3. Step 3: Cross multiply
    1,181,144.56x = 1,629,956.76 × 644,604.40
  4. Step 4: Simplify right side
    1,181,144.56x = 1,050,677,299,305.74
  5. Step 5: Solve for x
    x = 1,050,677,299,305.74/1,181,144.56
  6. Step 6: Final answer
    x = 889,541.67

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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.