Home / 1,628,054.52-2,442,434.45-490,721.58

Finding the Fourth Proportional to 1,628,054.52, 2,442,434.45 and 490,721.58

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Solution

The fourth proportional to 1,628,054.52, 2,442,434.45 and 490,721.58 is: 736,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,054.52 : 2,442,434.45 = 490,721.58 : x
  2. Step 2: Convert to fraction form
    1,628,054.52/2,442,434.45 = 490,721.58/x
  3. Step 3: Cross multiply
    1,628,054.52x = 2,442,434.45 × 490,721.58
  4. Step 4: Simplify right side
    1,628,054.52x = 1,198,555,289,896.82
  5. Step 5: Solve for x
    x = 1,198,555,289,896.82/1,628,054.52
  6. Step 6: Final answer
    x = 736,188.67

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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.