Home / 919,513.58-1,379,214.81-343,025.84

Finding the Fourth Proportional to 919,513.58, 1,379,214.81 and 343,025.84

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Solution

The fourth proportional to 919,513.58, 1,379,214.81 and 343,025.84 is: 514,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,513.58 : 1,379,214.81 = 343,025.84 : x
  2. Step 2: Convert to fraction form
    919,513.58/1,379,214.81 = 343,025.84/x
  3. Step 3: Cross multiply
    919,513.58x = 1,379,214.81 × 343,025.84
  4. Step 4: Simplify right side
    919,513.58x = 473,106,322,188.73
  5. Step 5: Solve for x
    x = 473,106,322,188.73/919,513.58
  6. Step 6: Final answer
    x = 514,518.04

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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.