Home / 939,825.28-1,296,955.60-510,105.41

Finding the Fourth Proportional to 939,825.28, 1,296,955.60 and 510,105.41

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Solution

The fourth proportional to 939,825.28, 1,296,955.60 and 510,105.41 is: 703,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,825.28 : 1,296,955.60 = 510,105.41 : x
  2. Step 2: Convert to fraction form
    939,825.28/1,296,955.60 = 510,105.41/x
  3. Step 3: Cross multiply
    939,825.28x = 1,296,955.60 × 510,105.41
  4. Step 4: Simplify right side
    939,825.28x = 661,584,059,054.49
  5. Step 5: Solve for x
    x = 661,584,059,054.49/939,825.28
  6. Step 6: Final answer
    x = 703,943.67

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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.