Home / 452,420.41-678,630.23-115,461.04

Finding the Fourth Proportional to 452,420.41, 678,630.23 and 115,461.04

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Solution

The fourth proportional to 452,420.41, 678,630.23 and 115,461.04 is: 173,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,420.41 : 678,630.23 = 115,461.04 : x
  2. Step 2: Convert to fraction form
    452,420.41/678,630.23 = 115,461.04/x
  3. Step 3: Cross multiply
    452,420.41x = 678,630.23 × 115,461.04
  4. Step 4: Simplify right side
    452,420.41x = 78,355,351,079.71
  5. Step 5: Solve for x
    x = 78,355,351,079.71/452,420.41
  6. Step 6: Final answer
    x = 173,191.46

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Similar ratio
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1.5x scale

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.