Home / 939,766.18-1,296,889.77-510,051.46

Finding the Fourth Proportional to 939,766.18, 1,296,889.77 and 510,051.46

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Solution

The fourth proportional to 939,766.18, 1,296,889.77 and 510,051.46 is: 703,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,766.18 : 1,296,889.77 = 510,051.46 : x
  2. Step 2: Convert to fraction form
    939,766.18/1,296,889.77 = 510,051.46/x
  3. Step 3: Cross multiply
    939,766.18x = 1,296,889.77 × 510,051.46
  4. Step 4: Simplify right side
    939,766.18x = 661,480,520,647.56
  5. Step 5: Solve for x
    x = 661,480,520,647.56/939,766.18
  6. Step 6: Final answer
    x = 703,877.77

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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.