Home / 1,266,522.76-1,747,840.98-693,617.32

Finding the Fourth Proportional to 1,266,522.76, 1,747,840.98 and 693,617.32

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Solution

The fourth proportional to 1,266,522.76, 1,747,840.98 and 693,617.32 is: 957,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,522.76 : 1,747,840.98 = 693,617.32 : x
  2. Step 2: Convert to fraction form
    1,266,522.76/1,747,840.98 = 693,617.32/x
  3. Step 3: Cross multiply
    1,266,522.76x = 1,747,840.98 × 693,617.32
  4. Step 4: Simplify right side
    1,266,522.76x = 1,212,332,776,333.77
  5. Step 5: Solve for x
    x = 1,212,332,776,333.77/1,266,522.76
  6. Step 6: Final answer
    x = 957,213.57

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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.