Home / 869,334.54-1,199,663.80-482,087.48

Finding the Fourth Proportional to 869,334.54, 1,199,663.80 and 482,087.48

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Solution

The fourth proportional to 869,334.54, 1,199,663.80 and 482,087.48 is: 665,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,334.54 : 1,199,663.80 = 482,087.48 : x
  2. Step 2: Convert to fraction form
    869,334.54/1,199,663.80 = 482,087.48/x
  3. Step 3: Cross multiply
    869,334.54x = 1,199,663.80 × 482,087.48
  4. Step 4: Simplify right side
    869,334.54x = 578,342,898,189.22
  5. Step 5: Solve for x
    x = 578,342,898,189.22/869,334.54
  6. Step 6: Final answer
    x = 665,270.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.