Home / 769,017.96-1,153,554.63-289,201.77

Finding the Fourth Proportional to 769,017.96, 1,153,554.63 and 289,201.77

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Solution

The fourth proportional to 769,017.96, 1,153,554.63 and 289,201.77 is: 433,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,017.96 : 1,153,554.63 = 289,201.77 : x
  2. Step 2: Convert to fraction form
    769,017.96/1,153,554.63 = 289,201.77/x
  3. Step 3: Cross multiply
    769,017.96x = 1,153,554.63 × 289,201.77
  4. Step 4: Simplify right side
    769,017.96x = 333,610,040,787.70
  5. Step 5: Solve for x
    x = 333,610,040,787.70/769,017.96
  6. Step 6: Final answer
    x = 433,813.07

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Similar ratio
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1.5x scale

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.