Home / 774,320.40-1,068,527.44-430,180.45

Finding the Fourth Proportional to 774,320.40, 1,068,527.44 and 430,180.45

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Solution

The fourth proportional to 774,320.40, 1,068,527.44 and 430,180.45 is: 593,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,320.40 : 1,068,527.44 = 430,180.45 : x
  2. Step 2: Convert to fraction form
    774,320.40/1,068,527.44 = 430,180.45/x
  3. Step 3: Cross multiply
    774,320.40x = 1,068,527.44 × 430,180.45
  4. Step 4: Simplify right side
    774,320.40x = 459,659,614,976.55
  5. Step 5: Solve for x
    x = 459,659,614,976.55/774,320.40
  6. Step 6: Final answer
    x = 593,629.74

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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.