Home / 911,048.46-1,257,246.96-529,099.80

Finding the Fourth Proportional to 911,048.46, 1,257,246.96 and 529,099.80

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Solution

The fourth proportional to 911,048.46, 1,257,246.96 and 529,099.80 is: 730,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,048.46 : 1,257,246.96 = 529,099.80 : x
  2. Step 2: Convert to fraction form
    911,048.46/1,257,246.96 = 529,099.80/x
  3. Step 3: Cross multiply
    911,048.46x = 1,257,246.96 × 529,099.80
  4. Step 4: Simplify right side
    911,048.46x = 665,209,115,086.61
  5. Step 5: Solve for x
    x = 665,209,115,086.61/911,048.46
  6. Step 6: Final answer
    x = 730,157.77

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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.