Home / 1,679,525.89-2,317,743.72-915,579.45

Finding the Fourth Proportional to 1,679,525.89, 2,317,743.72 and 915,579.45

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Solution

The fourth proportional to 1,679,525.89, 2,317,743.72 and 915,579.45 is: 1,263,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,525.89 : 2,317,743.72 = 915,579.45 : x
  2. Step 2: Convert to fraction form
    1,679,525.89/2,317,743.72 = 915,579.45/x
  3. Step 3: Cross multiply
    1,679,525.89x = 2,317,743.72 × 915,579.45
  4. Step 4: Simplify right side
    1,679,525.89x = 2,122,078,520,398.55
  5. Step 5: Solve for x
    x = 2,122,078,520,398.55/1,679,525.89
  6. Step 6: Final answer
    x = 1,263,498.55

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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.