Home / 1,673,628.75-2,309,599.04-909,686.43

Finding the Fourth Proportional to 1,673,628.75, 2,309,599.04 and 909,686.43

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Solution

The fourth proportional to 1,673,628.75, 2,309,599.04 and 909,686.43 is: 1,255,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,628.75 : 2,309,599.04 = 909,686.43 : x
  2. Step 2: Convert to fraction form
    1,673,628.75/2,309,599.04 = 909,686.43/x
  3. Step 3: Cross multiply
    1,673,628.75x = 2,309,599.04 × 909,686.43
  4. Step 4: Simplify right side
    1,673,628.75x = 2,101,010,900,880.60
  5. Step 5: Solve for x
    x = 2,101,010,900,880.60/1,673,628.75
  6. Step 6: Final answer
    x = 1,255,362.58

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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.