Home / 939,853.44-1,296,998.82-510,133.50

Finding the Fourth Proportional to 939,853.44, 1,296,998.82 and 510,133.50

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Solution

The fourth proportional to 939,853.44, 1,296,998.82 and 510,133.50 is: 703,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,853.44 : 1,296,998.82 = 510,133.50 : x
  2. Step 2: Convert to fraction form
    939,853.44/1,296,998.82 = 510,133.50/x
  3. Step 3: Cross multiply
    939,853.44x = 1,296,998.82 × 510,133.50
  4. Step 4: Simplify right side
    939,853.44x = 661,642,547,542.47
  5. Step 5: Solve for x
    x = 661,642,547,542.47/939,853.44
  6. Step 6: Final answer
    x = 703,984.81

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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.