Home / 1,245,701.53-1,718,576.04-786,644.76

Finding the Fourth Proportional to 1,245,701.53, 1,718,576.04 and 786,644.76

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Solution

The fourth proportional to 1,245,701.53, 1,718,576.04 and 786,644.76 is: 1,085,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,701.53 : 1,718,576.04 = 786,644.76 : x
  2. Step 2: Convert to fraction form
    1,245,701.53/1,718,576.04 = 786,644.76/x
  3. Step 3: Cross multiply
    1,245,701.53x = 1,718,576.04 × 786,644.76
  4. Step 4: Simplify right side
    1,245,701.53x = 1,351,908,841,497.25
  5. Step 5: Solve for x
    x = 1,351,908,841,497.25/1,245,701.53
  6. Step 6: Final answer
    x = 1,085,259.03

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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.