Home / 1,571,624.34-2,168,463.20-917,879.60

Finding the Fourth Proportional to 1,571,624.34, 2,168,463.20 and 917,879.60

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Solution

The fourth proportional to 1,571,624.34, 2,168,463.20 and 917,879.60 is: 1,266,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,624.34 : 2,168,463.20 = 917,879.60 : x
  2. Step 2: Convert to fraction form
    1,571,624.34/2,168,463.20 = 917,879.60/x
  3. Step 3: Cross multiply
    1,571,624.34x = 2,168,463.20 × 917,879.60
  4. Step 4: Simplify right side
    1,571,624.34x = 1,990,388,119,199.01
  5. Step 5: Solve for x
    x = 1,990,388,119,199.01/1,571,624.34
  6. Step 6: Final answer
    x = 1,266,452.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.