Home / 1,117,415.80-1,679,622.90-1,096,420.60

Finding the Fourth Proportional to 1,117,415.80, 1,679,622.90 and 1,096,420.60

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Solution

The fourth proportional to 1,117,415.80, 1,679,622.90 and 1,096,420.60 is: 1,648,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,415.80 : 1,679,622.90 = 1,096,420.60 : x
  2. Step 2: Convert to fraction form
    1,117,415.80/1,679,622.90 = 1,096,420.60/x
  3. Step 3: Cross multiply
    1,117,415.80x = 1,679,622.90 × 1,096,420.60
  4. Step 4: Simplify right side
    1,117,415.80x = 1,841,573,147,791.74
  5. Step 5: Solve for x
    x = 1,841,573,147,791.74/1,117,415.80
  6. Step 6: Final answer
    x = 1,648,064.35

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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.