Home / 1,112,035.20-1,668,052.80-663,262.80

Finding the Fourth Proportional to 1,112,035.20, 1,668,052.80 and 663,262.80

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Solution

The fourth proportional to 1,112,035.20, 1,668,052.80 and 663,262.80 is: 994,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,035.20 : 1,668,052.80 = 663,262.80 : x
  2. Step 2: Convert to fraction form
    1,112,035.20/1,668,052.80 = 663,262.80/x
  3. Step 3: Cross multiply
    1,112,035.20x = 1,668,052.80 × 663,262.80
  4. Step 4: Simplify right side
    1,112,035.20x = 1,106,357,370,675.84
  5. Step 5: Solve for x
    x = 1,106,357,370,675.84/1,112,035.20
  6. Step 6: Final answer
    x = 994,894.20

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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.