Home / 1,455,750.80-2,183,626.20-1,219,554.80

Finding the Fourth Proportional to 1,455,750.80, 2,183,626.20 and 1,219,554.80

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Solution

The fourth proportional to 1,455,750.80, 2,183,626.20 and 1,219,554.80 is: 1,829,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,750.80 : 2,183,626.20 = 1,219,554.80 : x
  2. Step 2: Convert to fraction form
    1,455,750.80/2,183,626.20 = 1,219,554.80/x
  3. Step 3: Cross multiply
    1,455,750.80x = 2,183,626.20 × 1,219,554.80
  4. Step 4: Simplify right side
    1,455,750.80x = 2,663,051,813,615.76
  5. Step 5: Solve for x
    x = 2,663,051,813,615.76/1,455,750.80
  6. Step 6: Final answer
    x = 1,829,332.20

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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.