Home / 713,763.62-1,070,306.42-414,336.04

Finding the Fourth Proportional to 713,763.62, 1,070,306.42 and 414,336.04

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Solution

The fourth proportional to 713,763.62, 1,070,306.42 and 414,336.04 is: 621,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,763.62 : 1,070,306.42 = 414,336.04 : x
  2. Step 2: Convert to fraction form
    713,763.62/1,070,306.42 = 414,336.04/x
  3. Step 3: Cross multiply
    713,763.62x = 1,070,306.42 × 414,336.04
  4. Step 4: Simplify right side
    713,763.62x = 443,466,523,649.38
  5. Step 5: Solve for x
    x = 443,466,523,649.38/713,763.62
  6. Step 6: Final answer
    x = 621,307.27

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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.