Home / 682,909.93-942,467.84-377,045.20

Finding the Fourth Proportional to 682,909.93, 942,467.84 and 377,045.20

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Solution

The fourth proportional to 682,909.93, 942,467.84 and 377,045.20 is: 520,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,909.93 : 942,467.84 = 377,045.20 : x
  2. Step 2: Convert to fraction form
    682,909.93/942,467.84 = 377,045.20/x
  3. Step 3: Cross multiply
    682,909.93x = 942,467.84 × 377,045.20
  4. Step 4: Simplify right side
    682,909.93x = 355,352,975,226.37
  5. Step 5: Solve for x
    x = 355,352,975,226.37/682,909.93
  6. Step 6: Final answer
    x = 520,351.16

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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.