Home / 1,183,688-1,633,495.20-647,144

Finding the Fourth Proportional to 1,183,688, 1,633,495.20 and 647,144

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Solution

The fourth proportional to 1,183,688, 1,633,495.20 and 647,144 is: 893,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,688 : 1,633,495.20 = 647,144 : x
  2. Step 2: Convert to fraction form
    1,183,688/1,633,495.20 = 647,144/x
  3. Step 3: Cross multiply
    1,183,688x = 1,633,495.20 × 647,144
  4. Step 4: Simplify right side
    1,183,688x = 1,057,106,617,708.80
  5. Step 5: Solve for x
    x = 1,057,106,617,708.80/1,183,688
  6. Step 6: Final answer
    x = 893,061.87

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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.