Home / 528,190.76-792,417.18-262,076.84

Finding the Fourth Proportional to 528,190.76, 792,417.18 and 262,076.84

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Solution

The fourth proportional to 528,190.76, 792,417.18 and 262,076.84 is: 393,180.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,190.76 : 792,417.18 = 262,076.84 : x
  2. Step 2: Convert to fraction form
    528,190.76/792,417.18 = 262,076.84/x
  3. Step 3: Cross multiply
    528,190.76x = 792,417.18 × 262,076.84
  4. Step 4: Simplify right side
    528,190.76x = 207,674,190,496.11
  5. Step 5: Solve for x
    x = 207,674,190,496.11/528,190.76
  6. Step 6: Final answer
    x = 393,180.28

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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.