Home / 1,670,457.83-2,505,998.39-771,305.58

Finding the Fourth Proportional to 1,670,457.83, 2,505,998.39 and 771,305.58

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Solution

The fourth proportional to 1,670,457.83, 2,505,998.39 and 771,305.58 is: 1,157,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,457.83 : 2,505,998.39 = 771,305.58 : x
  2. Step 2: Convert to fraction form
    1,670,457.83/2,505,998.39 = 771,305.58/x
  3. Step 3: Cross multiply
    1,670,457.83x = 2,505,998.39 × 771,305.58
  4. Step 4: Simplify right side
    1,670,457.83x = 1,932,890,537,821.49
  5. Step 5: Solve for x
    x = 1,932,890,537,821.49/1,670,457.83
  6. Step 6: Final answer
    x = 1,157,102.27

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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.