Home / 1,259,085.76-1,737,487.76-686,113.64

Finding the Fourth Proportional to 1,259,085.76, 1,737,487.76 and 686,113.64

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Solution

The fourth proportional to 1,259,085.76, 1,737,487.76 and 686,113.64 is: 946,809.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,085.76 : 1,737,487.76 = 686,113.64 : x
  2. Step 2: Convert to fraction form
    1,259,085.76/1,737,487.76 = 686,113.64/x
  3. Step 3: Cross multiply
    1,259,085.76x = 1,737,487.76 × 686,113.64
  4. Step 4: Simplify right side
    1,259,085.76x = 1,192,114,051,469.05
  5. Step 5: Solve for x
    x = 1,192,114,051,469.05/1,259,085.76
  6. Step 6: Final answer
    x = 946,809.26

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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.