Home / 528,189.76-792,415.68-262,075.84

Finding the Fourth Proportional to 528,189.76, 792,415.68 and 262,075.84

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Solution

The fourth proportional to 528,189.76, 792,415.68 and 262,075.84 is: 393,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,189.76 : 792,415.68 = 262,075.84 : x
  2. Step 2: Convert to fraction form
    528,189.76/792,415.68 = 262,075.84/x
  3. Step 3: Cross multiply
    528,189.76x = 792,415.68 × 262,075.84
  4. Step 4: Simplify right side
    528,189.76x = 207,673,004,965.17
  5. Step 5: Solve for x
    x = 207,673,004,965.17/528,189.76
  6. Step 6: Final answer
    x = 393,178.78

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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.