Home / 947,375.46-1,307,378.46-511,792.98

Finding the Fourth Proportional to 947,375.46, 1,307,378.46 and 511,792.98

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Solution

The fourth proportional to 947,375.46, 1,307,378.46 and 511,792.98 is: 706,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,375.46 : 1,307,378.46 = 511,792.98 : x
  2. Step 2: Convert to fraction form
    947,375.46/1,307,378.46 = 511,792.98/x
  3. Step 3: Cross multiply
    947,375.46x = 1,307,378.46 × 511,792.98
  4. Step 4: Simplify right side
    947,375.46x = 669,107,118,031.21
  5. Step 5: Solve for x
    x = 669,107,118,031.21/947,375.46
  6. Step 6: Final answer
    x = 706,274.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.