Home / 644,087.10-888,880.42-372,204.92

Finding the Fourth Proportional to 644,087.10, 888,880.42 and 372,204.92

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Solution

The fourth proportional to 644,087.10, 888,880.42 and 372,204.92 is: 513,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,087.10 : 888,880.42 = 372,204.92 : x
  2. Step 2: Convert to fraction form
    644,087.10/888,880.42 = 372,204.92/x
  3. Step 3: Cross multiply
    644,087.10x = 888,880.42 × 372,204.92
  4. Step 4: Simplify right side
    644,087.10x = 330,845,665,615.67
  5. Step 5: Solve for x
    x = 330,845,665,615.67/644,087.10
  6. Step 6: Final answer
    x = 513,666.03

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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.