Home / 934,128.40-1,401,192.60-916,413.70

Finding the Fourth Proportional to 934,128.40, 1,401,192.60 and 916,413.70

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Solution

The fourth proportional to 934,128.40, 1,401,192.60 and 916,413.70 is: 1,374,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,128.40 : 1,401,192.60 = 916,413.70 : x
  2. Step 2: Convert to fraction form
    934,128.40/1,401,192.60 = 916,413.70/x
  3. Step 3: Cross multiply
    934,128.40x = 1,401,192.60 × 916,413.70
  4. Step 4: Simplify right side
    934,128.40x = 1,284,072,094,978.62
  5. Step 5: Solve for x
    x = 1,284,072,094,978.62/934,128.40
  6. Step 6: Final answer
    x = 1,374,620.55

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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.