Home / 1,326,187.77-1,989,647.28-528,029.82

Finding the Fourth Proportional to 1,326,187.77, 1,989,647.28 and 528,029.82

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Solution

The fourth proportional to 1,326,187.77, 1,989,647.28 and 528,029.82 is: 792,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,187.77 : 1,989,647.28 = 528,029.82 : x
  2. Step 2: Convert to fraction form
    1,326,187.77/1,989,647.28 = 528,029.82/x
  3. Step 3: Cross multiply
    1,326,187.77x = 1,989,647.28 × 528,029.82
  4. Step 4: Simplify right side
    1,326,187.77x = 1,050,593,095,121.89
  5. Step 5: Solve for x
    x = 1,050,593,095,121.89/1,326,187.77
  6. Step 6: Final answer
    x = 792,190.31

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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.