Home / 893,629.70-1,233,802.85-686,529.26

Finding the Fourth Proportional to 893,629.70, 1,233,802.85 and 686,529.26

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Solution

The fourth proportional to 893,629.70, 1,233,802.85 and 686,529.26 is: 947,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,629.70 : 1,233,802.85 = 686,529.26 : x
  2. Step 2: Convert to fraction form
    893,629.70/1,233,802.85 = 686,529.26/x
  3. Step 3: Cross multiply
    893,629.70x = 1,233,802.85 × 686,529.26
  4. Step 4: Simplify right side
    893,629.70x = 847,041,752,621.49
  5. Step 5: Solve for x
    x = 847,041,752,621.49/893,629.70
  6. Step 6: Final answer
    x = 947,866.61

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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.