Home / 468,569.40-646,626.04-253,709.60

Finding the Fourth Proportional to 468,569.40, 646,626.04 and 253,709.60

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Solution

The fourth proportional to 468,569.40, 646,626.04 and 253,709.60 is: 350,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,569.40 : 646,626.04 = 253,709.60 : x
  2. Step 2: Convert to fraction form
    468,569.40/646,626.04 = 253,709.60/x
  3. Step 3: Cross multiply
    468,569.40x = 646,626.04 × 253,709.60
  4. Step 4: Simplify right side
    468,569.40x = 164,055,233,957.98
  5. Step 5: Solve for x
    x = 164,055,233,957.98/468,569.40
  6. Step 6: Final answer
    x = 350,119.39

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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.