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Finding the Fourth Proportional to 1,373,697, 1,895,701.86 and 770,085

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Solution

The fourth proportional to 1,373,697, 1,895,701.86 and 770,085 is: 1,062,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,697 : 1,895,701.86 = 770,085 : x
  2. Step 2: Convert to fraction form
    1,373,697/1,895,701.86 = 770,085/x
  3. Step 3: Cross multiply
    1,373,697x = 1,895,701.86 × 770,085
  4. Step 4: Simplify right side
    1,373,697x = 1,459,851,566,858.10
  5. Step 5: Solve for x
    x = 1,459,851,566,858.10/1,373,697
  6. Step 6: Final answer
    x = 1,062,717.30

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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.