Home / 1,295,143.40-1,942,715.10-1,158,674.60

Finding the Fourth Proportional to 1,295,143.40, 1,942,715.10 and 1,158,674.60

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Solution

The fourth proportional to 1,295,143.40, 1,942,715.10 and 1,158,674.60 is: 1,738,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,143.40 : 1,942,715.10 = 1,158,674.60 : x
  2. Step 2: Convert to fraction form
    1,295,143.40/1,942,715.10 = 1,158,674.60/x
  3. Step 3: Cross multiply
    1,295,143.40x = 1,942,715.10 × 1,158,674.60
  4. Step 4: Simplify right side
    1,295,143.40x = 2,250,974,641,406.46
  5. Step 5: Solve for x
    x = 2,250,974,641,406.46/1,295,143.40
  6. Step 6: Final answer
    x = 1,738,011.90

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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.