Home / 528,024.96-792,024.36-154,051.20

Finding the Fourth Proportional to 528,024.96, 792,024.36 and 154,051.20

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Solution

The fourth proportional to 528,024.96, 792,024.36 and 154,051.20 is: 231,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,024.96 : 792,024.36 = 154,051.20 : x
  2. Step 2: Convert to fraction form
    528,024.96/792,024.36 = 154,051.20/x
  3. Step 3: Cross multiply
    528,024.96x = 792,024.36 × 154,051.20
  4. Step 4: Simplify right side
    528,024.96x = 122,012,303,087.23
  5. Step 5: Solve for x
    x = 122,012,303,087.23/528,024.96
  6. Step 6: Final answer
    x = 231,072.98

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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.