Home / 1,441,629-1,989,594.63-829,807.38

Finding the Fourth Proportional to 1,441,629, 1,989,594.63 and 829,807.38

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Solution

The fourth proportional to 1,441,629, 1,989,594.63 and 829,807.38 is: 1,145,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,629 : 1,989,594.63 = 829,807.38 : x
  2. Step 2: Convert to fraction form
    1,441,629/1,989,594.63 = 829,807.38/x
  3. Step 3: Cross multiply
    1,441,629x = 1,989,594.63 × 829,807.38
  4. Step 4: Simplify right side
    1,441,629x = 1,650,980,307,182.37
  5. Step 5: Solve for x
    x = 1,650,980,307,182.37/1,441,629
  6. Step 6: Final answer
    x = 1,145,218.57

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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.