Home / 456,302.90-683,971.69-171,870.38

Finding the Fourth Proportional to 456,302.90, 683,971.69 and 171,870.38

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Solution

The fourth proportional to 456,302.90, 683,971.69 and 171,870.38 is: 257,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,302.90 : 683,971.69 = 171,870.38 : x
  2. Step 2: Convert to fraction form
    456,302.90/683,971.69 = 171,870.38/x
  3. Step 3: Cross multiply
    456,302.90x = 683,971.69 × 171,870.38
  4. Step 4: Simplify right side
    456,302.90x = 117,554,474,269.54
  5. Step 5: Solve for x
    x = 117,554,474,269.54/456,302.90
  6. Step 6: Final answer
    x = 257,623.77

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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.