Home / 1,673,477.76-2,309,399.61-909,531.39

Finding the Fourth Proportional to 1,673,477.76, 2,309,399.61 and 909,531.39

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Solution

The fourth proportional to 1,673,477.76, 2,309,399.61 and 909,531.39 is: 1,255,153.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,477.76 : 2,309,399.61 = 909,531.39 : x
  2. Step 2: Convert to fraction form
    1,673,477.76/2,309,399.61 = 909,531.39/x
  3. Step 3: Cross multiply
    1,673,477.76x = 2,309,399.61 × 909,531.39
  4. Step 4: Simplify right side
    1,673,477.76x = 2,100,471,437,348.76
  5. Step 5: Solve for x
    x = 2,100,471,437,348.76/1,673,477.76
  6. Step 6: Final answer
    x = 1,255,153.48

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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.