Home / 1,270,718.67-1,905,655.15-512,364.27

Finding the Fourth Proportional to 1,270,718.67, 1,905,655.15 and 512,364.27

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Solution

The fourth proportional to 1,270,718.67, 1,905,655.15 and 512,364.27 is: 768,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,718.67 : 1,905,655.15 = 512,364.27 : x
  2. Step 2: Convert to fraction form
    1,270,718.67/1,905,655.15 = 512,364.27/x
  3. Step 3: Cross multiply
    1,270,718.67x = 1,905,655.15 × 512,364.27
  4. Step 4: Simplify right side
    1,270,718.67x = 976,389,609,801.49
  5. Step 5: Solve for x
    x = 976,389,609,801.49/1,270,718.67
  6. Step 6: Final answer
    x = 768,375.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.