Home / 1,677,465.72-2,512,413.18-777,015.72

Finding the Fourth Proportional to 1,677,465.72, 2,512,413.18 and 777,015.72

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Solution

The fourth proportional to 1,677,465.72, 2,512,413.18 and 777,015.72 is: 1,163,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,465.72 : 2,512,413.18 = 777,015.72 : x
  2. Step 2: Convert to fraction form
    1,677,465.72/2,512,413.18 = 777,015.72/x
  3. Step 3: Cross multiply
    1,677,465.72x = 2,512,413.18 × 777,015.72
  4. Step 4: Simplify right side
    1,677,465.72x = 1,952,184,535,995.19
  5. Step 5: Solve for x
    x = 1,952,184,535,995.19/1,677,465.72
  6. Step 6: Final answer
    x = 1,163,770.15

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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.