Home / 377,203.04-520,529.78-207,437.16

Finding the Fourth Proportional to 377,203.04, 520,529.78 and 207,437.16

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Solution

The fourth proportional to 377,203.04, 520,529.78 and 207,437.16 is: 286,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,203.04 : 520,529.78 = 207,437.16 : x
  2. Step 2: Convert to fraction form
    377,203.04/520,529.78 = 207,437.16/x
  3. Step 3: Cross multiply
    377,203.04x = 520,529.78 × 207,437.16
  4. Step 4: Simplify right side
    377,203.04x = 107,977,219,777.22
  5. Step 5: Solve for x
    x = 107,977,219,777.22/377,203.04
  6. Step 6: Final answer
    x = 286,257.56

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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.