Home / 916,413.60-1,374,620.40-854,205.60

Finding the Fourth Proportional to 916,413.60, 1,374,620.40 and 854,205.60

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Solution

The fourth proportional to 916,413.60, 1,374,620.40 and 854,205.60 is: 1,281,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,413.60 : 1,374,620.40 = 854,205.60 : x
  2. Step 2: Convert to fraction form
    916,413.60/1,374,620.40 = 854,205.60/x
  3. Step 3: Cross multiply
    916,413.60x = 1,374,620.40 × 854,205.60
  4. Step 4: Simplify right side
    916,413.60x = 1,174,208,443,554.24
  5. Step 5: Solve for x
    x = 1,174,208,443,554.24/916,413.60
  6. Step 6: Final answer
    x = 1,281,308.40

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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.