Home / 939,742.84-1,296,834.32-510,023.26

Finding the Fourth Proportional to 939,742.84, 1,296,834.32 and 510,023.26

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Solution

The fourth proportional to 939,742.84, 1,296,834.32 and 510,023.26 is: 703,826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,742.84 : 1,296,834.32 = 510,023.26 : x
  2. Step 2: Convert to fraction form
    939,742.84/1,296,834.32 = 510,023.26/x
  3. Step 3: Cross multiply
    939,742.84x = 1,296,834.32 × 510,023.26
  4. Step 4: Simplify right side
    939,742.84x = 661,415,667,566.28
  5. Step 5: Solve for x
    x = 661,415,667,566.28/939,742.84
  6. Step 6: Final answer
    x = 703,826.24

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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.