Home / 1,673,835.62-2,309,916.10-909,905.58

Finding the Fourth Proportional to 1,673,835.62, 2,309,916.10 and 909,905.58

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Solution

The fourth proportional to 1,673,835.62, 2,309,916.10 and 909,905.58 is: 1,255,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,835.62 : 2,309,916.10 = 909,905.58 : x
  2. Step 2: Convert to fraction form
    1,673,835.62/2,309,916.10 = 909,905.58/x
  3. Step 3: Cross multiply
    1,673,835.62x = 2,309,916.10 × 909,905.58
  4. Step 4: Simplify right side
    1,673,835.62x = 2,101,805,548,721.84
  5. Step 5: Solve for x
    x = 2,101,805,548,721.84/1,673,835.62
  6. Step 6: Final answer
    x = 1,255,682.17

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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.