Home / 769,569.70-1,153,347.90-413,817.70

Finding the Fourth Proportional to 769,569.70, 1,153,347.90 and 413,817.70

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Solution

The fourth proportional to 769,569.70, 1,153,347.90 and 413,817.70 is: 620,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,569.70 : 1,153,347.90 = 413,817.70 : x
  2. Step 2: Convert to fraction form
    769,569.70/1,153,347.90 = 413,817.70/x
  3. Step 3: Cross multiply
    769,569.70x = 1,153,347.90 × 413,817.70
  4. Step 4: Simplify right side
    769,569.70x = 477,275,775,277.83
  5. Step 5: Solve for x
    x = 477,275,775,277.83/769,569.70
  6. Step 6: Final answer
    x = 620,185.25

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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.