Home / 807,413.69-1,114,392.26-463,482.12

Finding the Fourth Proportional to 807,413.69, 1,114,392.26 and 463,482.12

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Solution

The fourth proportional to 807,413.69, 1,114,392.26 and 463,482.12 is: 639,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,413.69 : 1,114,392.26 = 463,482.12 : x
  2. Step 2: Convert to fraction form
    807,413.69/1,114,392.26 = 463,482.12/x
  3. Step 3: Cross multiply
    807,413.69x = 1,114,392.26 × 463,482.12
  4. Step 4: Simplify right side
    807,413.69x = 516,500,884,858.98
  5. Step 5: Solve for x
    x = 516,500,884,858.98/807,413.69
  6. Step 6: Final answer
    x = 639,697.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.