Home / 460,396.32-690,413.04-223,668.96

Finding the Fourth Proportional to 460,396.32, 690,413.04 and 223,668.96

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Solution

The fourth proportional to 460,396.32, 690,413.04 and 223,668.96 is: 335,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,396.32 : 690,413.04 = 223,668.96 : x
  2. Step 2: Convert to fraction form
    460,396.32/690,413.04 = 223,668.96/x
  3. Step 3: Cross multiply
    460,396.32x = 690,413.04 × 223,668.96
  4. Step 4: Simplify right side
    460,396.32x = 154,423,966,627.24
  5. Step 5: Solve for x
    x = 154,423,966,627.24/460,396.32
  6. Step 6: Final answer
    x = 335,415.29

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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.