Home / 537,778.24-742,453.44-477,991.36

Finding the Fourth Proportional to 537,778.24, 742,453.44 and 477,991.36

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Solution

The fourth proportional to 537,778.24, 742,453.44 and 477,991.36 is: 659,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,778.24 : 742,453.44 = 477,991.36 : x
  2. Step 2: Convert to fraction form
    537,778.24/742,453.44 = 477,991.36/x
  3. Step 3: Cross multiply
    537,778.24x = 742,453.44 × 477,991.36
  4. Step 4: Simplify right side
    537,778.24x = 354,886,329,522.28
  5. Step 5: Solve for x
    x = 354,886,329,522.28/537,778.24
  6. Step 6: Final answer
    x = 659,912.03

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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.