Home / 939,841.50-1,296,946.54-510,112.41

Finding the Fourth Proportional to 939,841.50, 1,296,946.54 and 510,112.41

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Solution

The fourth proportional to 939,841.50, 1,296,946.54 and 510,112.41 is: 703,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,841.50 : 1,296,946.54 = 510,112.41 : x
  2. Step 2: Convert to fraction form
    939,841.50/1,296,946.54 = 510,112.41/x
  3. Step 3: Cross multiply
    939,841.50x = 1,296,946.54 × 510,112.41
  4. Step 4: Simplify right side
    939,841.50x = 661,588,525,160.56
  5. Step 5: Solve for x
    x = 661,588,525,160.56/939,841.50
  6. Step 6: Final answer
    x = 703,936.28

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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.