Home / 774,228.90-1,068,399.72-430,087.08

Finding the Fourth Proportional to 774,228.90, 1,068,399.72 and 430,087.08

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Solution

The fourth proportional to 774,228.90, 1,068,399.72 and 430,087.08 is: 593,500.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,228.90 : 1,068,399.72 = 430,087.08 : x
  2. Step 2: Convert to fraction form
    774,228.90/1,068,399.72 = 430,087.08/x
  3. Step 3: Cross multiply
    774,228.90x = 1,068,399.72 × 430,087.08
  4. Step 4: Simplify right side
    774,228.90x = 459,504,915,847.62
  5. Step 5: Solve for x
    x = 459,504,915,847.62/774,228.90
  6. Step 6: Final answer
    x = 593,500.08

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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.