Home / 1,212,400.49-1,673,686.56-702,916.97

Finding the Fourth Proportional to 1,212,400.49, 1,673,686.56 and 702,916.97

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Solution

The fourth proportional to 1,212,400.49, 1,673,686.56 and 702,916.97 is: 970,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,400.49 : 1,673,686.56 = 702,916.97 : x
  2. Step 2: Convert to fraction form
    1,212,400.49/1,673,686.56 = 702,916.97/x
  3. Step 3: Cross multiply
    1,212,400.49x = 1,673,686.56 × 702,916.97
  4. Step 4: Simplify right side
    1,212,400.49x = 1,176,462,685,484.92
  5. Step 5: Solve for x
    x = 1,176,462,685,484.92/1,212,400.49
  6. Step 6: Final answer
    x = 970,358.14

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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.