Home / 1,152,110.80-1,728,166.20-1,054,133.20

Finding the Fourth Proportional to 1,152,110.80, 1,728,166.20 and 1,054,133.20

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Solution

The fourth proportional to 1,152,110.80, 1,728,166.20 and 1,054,133.20 is: 1,581,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,110.80 : 1,728,166.20 = 1,054,133.20 : x
  2. Step 2: Convert to fraction form
    1,152,110.80/1,728,166.20 = 1,054,133.20/x
  3. Step 3: Cross multiply
    1,152,110.80x = 1,728,166.20 × 1,054,133.20
  4. Step 4: Simplify right side
    1,152,110.80x = 1,821,717,366,537.84
  5. Step 5: Solve for x
    x = 1,821,717,366,537.84/1,152,110.80
  6. Step 6: Final answer
    x = 1,581,199.80

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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.