Home / 460,155.30-686,536.80-409,635.60

Finding the Fourth Proportional to 460,155.30, 686,536.80 and 409,635.60

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Solution

The fourth proportional to 460,155.30, 686,536.80 and 409,635.60 is: 611,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,155.30 : 686,536.80 = 409,635.60 : x
  2. Step 2: Convert to fraction form
    460,155.30/686,536.80 = 409,635.60/x
  3. Step 3: Cross multiply
    460,155.30x = 686,536.80 × 409,635.60
  4. Step 4: Simplify right side
    460,155.30x = 281,229,913,990.08
  5. Step 5: Solve for x
    x = 281,229,913,990.08/460,155.30
  6. Step 6: Final answer
    x = 611,163.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.