Home / 460,410.12-690,616.52-160,890.74

Finding the Fourth Proportional to 460,410.12, 690,616.52 and 160,890.74

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Solution

The fourth proportional to 460,410.12, 690,616.52 and 160,890.74 is: 241,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,410.12 : 690,616.52 = 160,890.74 : x
  2. Step 2: Convert to fraction form
    460,410.12/690,616.52 = 160,890.74/x
  3. Step 3: Cross multiply
    460,410.12x = 690,616.52 × 160,890.74
  4. Step 4: Simplify right side
    460,410.12x = 111,113,802,959.03
  5. Step 5: Solve for x
    x = 111,113,802,959.03/460,410.12
  6. Step 6: Final answer
    x = 241,336.58

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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.