Home / 1,436,984.90-1,983,087.02-783,646.66

Finding the Fourth Proportional to 1,436,984.90, 1,983,087.02 and 783,646.66

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Solution

The fourth proportional to 1,436,984.90, 1,983,087.02 and 783,646.66 is: 1,081,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,984.90 : 1,983,087.02 = 783,646.66 : x
  2. Step 2: Convert to fraction form
    1,436,984.90/1,983,087.02 = 783,646.66/x
  3. Step 3: Cross multiply
    1,436,984.90x = 1,983,087.02 × 783,646.66
  4. Step 4: Simplify right side
    1,436,984.90x = 1,554,039,519,712.35
  5. Step 5: Solve for x
    x = 1,554,039,519,712.35/1,436,984.90
  6. Step 6: Final answer
    x = 1,081,458.49

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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.