Home / 460,448.01-690,639.93-172,204.74

Finding the Fourth Proportional to 460,448.01, 690,639.93 and 172,204.74

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Solution

The fourth proportional to 460,448.01, 690,639.93 and 172,204.74 is: 258,295.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,448.01 : 690,639.93 = 172,204.74 : x
  2. Step 2: Convert to fraction form
    460,448.01/690,639.93 = 172,204.74/x
  3. Step 3: Cross multiply
    460,448.01x = 690,639.93 × 172,204.74
  4. Step 4: Simplify right side
    460,448.01x = 118,931,469,579.27
  5. Step 5: Solve for x
    x = 118,931,469,579.27/460,448.01
  6. Step 6: Final answer
    x = 258,295.11

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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.