Home / 525,895.94-788,563.23-272,921.70

Finding the Fourth Proportional to 525,895.94, 788,563.23 and 272,921.70

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Solution

The fourth proportional to 525,895.94, 788,563.23 and 272,921.70 is: 409,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,895.94 : 788,563.23 = 272,921.70 : x
  2. Step 2: Convert to fraction form
    525,895.94/788,563.23 = 272,921.70/x
  3. Step 3: Cross multiply
    525,895.94x = 788,563.23 × 272,921.70
  4. Step 4: Simplify right side
    525,895.94x = 215,216,020,757.93
  5. Step 5: Solve for x
    x = 215,216,020,757.93/525,895.94
  6. Step 6: Final answer
    x = 409,236.89

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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.