Home / 783,554.58-1,081,534.93-511,664.69

Finding the Fourth Proportional to 783,554.58, 1,081,534.93 and 511,664.69

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Solution

The fourth proportional to 783,554.58, 1,081,534.93 and 511,664.69 is: 706,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,554.58 : 1,081,534.93 = 511,664.69 : x
  2. Step 2: Convert to fraction form
    783,554.58/1,081,534.93 = 511,664.69/x
  3. Step 3: Cross multiply
    783,554.58x = 1,081,534.93 × 511,664.69
  4. Step 4: Simplify right side
    783,554.58x = 553,383,236,107.30
  5. Step 5: Solve for x
    x = 553,383,236,107.30/783,554.58
  6. Step 6: Final answer
    x = 706,247.21

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1.5x scale

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.