Home / 740,033.52-1,110,025.80-313,455.36

Finding the Fourth Proportional to 740,033.52, 1,110,025.80 and 313,455.36

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Solution

The fourth proportional to 740,033.52, 1,110,025.80 and 313,455.36 is: 470,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,033.52 : 1,110,025.80 = 313,455.36 : x
  2. Step 2: Convert to fraction form
    740,033.52/1,110,025.80 = 313,455.36/x
  3. Step 3: Cross multiply
    740,033.52x = 1,110,025.80 × 313,455.36
  4. Step 4: Simplify right side
    740,033.52x = 347,943,536,748.29
  5. Step 5: Solve for x
    x = 347,943,536,748.29/740,033.52
  6. Step 6: Final answer
    x = 470,172.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.