Home / 939,853.24-1,296,998.80-510,133.46

Finding the Fourth Proportional to 939,853.24, 1,296,998.80 and 510,133.46

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Solution

The fourth proportional to 939,853.24, 1,296,998.80 and 510,133.46 is: 703,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,853.24 : 1,296,998.80 = 510,133.46 : x
  2. Step 2: Convert to fraction form
    939,853.24/1,296,998.80 = 510,133.46/x
  3. Step 3: Cross multiply
    939,853.24x = 1,296,998.80 × 510,133.46
  4. Step 4: Simplify right side
    939,853.24x = 661,642,485,459.85
  5. Step 5: Solve for x
    x = 661,642,485,459.85/939,853.24
  6. Step 6: Final answer
    x = 703,984.90

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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.