Home / 1,311,658.04-1,967,191.74-856,105.94

Finding the Fourth Proportional to 1,311,658.04, 1,967,191.74 and 856,105.94

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Solution

The fourth proportional to 1,311,658.04, 1,967,191.74 and 856,105.94 is: 1,283,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,658.04 : 1,967,191.74 = 856,105.94 : x
  2. Step 2: Convert to fraction form
    1,311,658.04/1,967,191.74 = 856,105.94/x
  3. Step 3: Cross multiply
    1,311,658.04x = 1,967,191.74 × 856,105.94
  4. Step 4: Simplify right side
    1,311,658.04x = 1,684,124,533,732.94
  5. Step 5: Solve for x
    x = 1,684,124,533,732.94/1,311,658.04
  6. Step 6: Final answer
    x = 1,283,966.16

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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.