Home / 842,609.40-1,263,914.10-606,413.40

Finding the Fourth Proportional to 842,609.40, 1,263,914.10 and 606,413.40

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Solution

The fourth proportional to 842,609.40, 1,263,914.10 and 606,413.40 is: 909,620.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,609.40 : 1,263,914.10 = 606,413.40 : x
  2. Step 2: Convert to fraction form
    842,609.40/1,263,914.10 = 606,413.40/x
  3. Step 3: Cross multiply
    842,609.40x = 1,263,914.10 × 606,413.40
  4. Step 4: Simplify right side
    842,609.40x = 766,454,446,688.94
  5. Step 5: Solve for x
    x = 766,454,446,688.94/842,609.40
  6. Step 6: Final answer
    x = 909,620.10

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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.