Home / 1,177,307.40-1,763,336.70-909,618.60

Finding the Fourth Proportional to 1,177,307.40, 1,763,336.70 and 909,618.60

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Solution

The fourth proportional to 1,177,307.40, 1,763,336.70 and 909,618.60 is: 1,362,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,307.40 : 1,763,336.70 = 909,618.60 : x
  2. Step 2: Convert to fraction form
    1,177,307.40/1,763,336.70 = 909,618.60/x
  3. Step 3: Cross multiply
    1,177,307.40x = 1,763,336.70 × 909,618.60
  4. Step 4: Simplify right side
    1,177,307.40x = 1,603,963,860,382.62
  5. Step 5: Solve for x
    x = 1,603,963,860,382.62/1,177,307.40
  6. Step 6: Final answer
    x = 1,362,400.22

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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.