Home / 624,040.61-861,176.21-352,166.13

Finding the Fourth Proportional to 624,040.61, 861,176.21 and 352,166.13

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Solution

The fourth proportional to 624,040.61, 861,176.21 and 352,166.13 is: 485,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,040.61 : 861,176.21 = 352,166.13 : x
  2. Step 2: Convert to fraction form
    624,040.61/861,176.21 = 352,166.13/x
  3. Step 3: Cross multiply
    624,040.61x = 861,176.21 × 352,166.13
  4. Step 4: Simplify right side
    624,040.61x = 303,277,091,362.94
  5. Step 5: Solve for x
    x = 303,277,091,362.94/624,040.61
  6. Step 6: Final answer
    x = 485,989.36

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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.