Home / 460,621.40-689,765.70-341,648.60

Finding the Fourth Proportional to 460,621.40, 689,765.70 and 341,648.60

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Solution

The fourth proportional to 460,621.40, 689,765.70 and 341,648.60 is: 511,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,621.40 : 689,765.70 = 341,648.60 : x
  2. Step 2: Convert to fraction form
    460,621.40/689,765.70 = 341,648.60/x
  3. Step 3: Cross multiply
    460,621.40x = 689,765.70 × 341,648.60
  4. Step 4: Simplify right side
    460,621.40x = 235,657,485,733.02
  5. Step 5: Solve for x
    x = 235,657,485,733.02/460,621.40
  6. Step 6: Final answer
    x = 511,607.77

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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.