Home / 528,026.41-792,433.10-212,485.69

Finding the Fourth Proportional to 528,026.41, 792,433.10 and 212,485.69

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Solution

The fourth proportional to 528,026.41, 792,433.10 and 212,485.69 is: 318,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,026.41 : 792,433.10 = 212,485.69 : x
  2. Step 2: Convert to fraction form
    528,026.41/792,433.10 = 212,485.69/x
  3. Step 3: Cross multiply
    528,026.41x = 792,433.10 × 212,485.69
  4. Step 4: Simplify right side
    528,026.41x = 168,380,694,032.34
  5. Step 5: Solve for x
    x = 168,380,694,032.34/528,026.41
  6. Step 6: Final answer
    x = 318,886.88

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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.