Home / 460,084.59-689,893.47-210,552.75

Finding the Fourth Proportional to 460,084.59, 689,893.47 and 210,552.75

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Solution

The fourth proportional to 460,084.59, 689,893.47 and 210,552.75 is: 315,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,084.59 : 689,893.47 = 210,552.75 : x
  2. Step 2: Convert to fraction form
    460,084.59/689,893.47 = 210,552.75/x
  3. Step 3: Cross multiply
    460,084.59x = 689,893.47 × 210,552.75
  4. Step 4: Simplify right side
    460,084.59x = 145,258,967,315.54
  5. Step 5: Solve for x
    x = 145,258,967,315.54/460,084.59
  6. Step 6: Final answer
    x = 315,722.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.