Home / 999,579.36-1,379,451.18-546,870.36

Finding the Fourth Proportional to 999,579.36, 1,379,451.18 and 546,870.36

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Solution

The fourth proportional to 999,579.36, 1,379,451.18 and 546,870.36 is: 754,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,579.36 : 1,379,451.18 = 546,870.36 : x
  2. Step 2: Convert to fraction form
    999,579.36/1,379,451.18 = 546,870.36/x
  3. Step 3: Cross multiply
    999,579.36x = 1,379,451.18 × 546,870.36
  4. Step 4: Simplify right side
    999,579.36x = 754,380,963,409.03
  5. Step 5: Solve for x
    x = 754,380,963,409.03/999,579.36
  6. Step 6: Final answer
    x = 754,698.42

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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.