Home / 1,282,894.38-1,923,012.81-1,055,869.50

Finding the Fourth Proportional to 1,282,894.38, 1,923,012.81 and 1,055,869.50

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Solution

The fourth proportional to 1,282,894.38, 1,923,012.81 and 1,055,869.50 is: 1,582,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,894.38 : 1,923,012.81 = 1,055,869.50 : x
  2. Step 2: Convert to fraction form
    1,282,894.38/1,923,012.81 = 1,055,869.50/x
  3. Step 3: Cross multiply
    1,282,894.38x = 1,923,012.81 × 1,055,869.50
  4. Step 4: Simplify right side
    1,282,894.38x = 2,030,450,574,188.30
  5. Step 5: Solve for x
    x = 2,030,450,574,188.30/1,282,894.38
  6. Step 6: Final answer
    x = 1,582,710.63

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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.