Home / 939,808.66-1,296,901.26-510,079.57

Finding the Fourth Proportional to 939,808.66, 1,296,901.26 and 510,079.57

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Solution

The fourth proportional to 939,808.66, 1,296,901.26 and 510,079.57 is: 703,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,808.66 : 1,296,901.26 = 510,079.57 : x
  2. Step 2: Convert to fraction form
    939,808.66/1,296,901.26 = 510,079.57/x
  3. Step 3: Cross multiply
    939,808.66x = 1,296,901.26 × 510,079.57
  4. Step 4: Simplify right side
    939,808.66x = 661,522,837,033.26
  5. Step 5: Solve for x
    x = 661,522,837,033.26/939,808.66
  6. Step 6: Final answer
    x = 703,890.98

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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.