Home / 1,972,173.30-2,958,643.53-757,661.46

Finding the Fourth Proportional to 1,972,173.30, 2,958,643.53 and 757,661.46

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Solution

The fourth proportional to 1,972,173.30, 2,958,643.53 and 757,661.46 is: 1,136,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,173.30 : 2,958,643.53 = 757,661.46 : x
  2. Step 2: Convert to fraction form
    1,972,173.30/2,958,643.53 = 757,661.46/x
  3. Step 3: Cross multiply
    1,972,173.30x = 2,958,643.53 × 757,661.46
  4. Step 4: Simplify right side
    1,972,173.30x = 2,241,650,176,559.35
  5. Step 5: Solve for x
    x = 2,241,650,176,559.35/1,972,173.30
  6. Step 6: Final answer
    x = 1,136,639.55

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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.