Home / 780,672.64-1,077,314.22-441,133.60

Finding the Fourth Proportional to 780,672.64, 1,077,314.22 and 441,133.60

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Solution

The fourth proportional to 780,672.64, 1,077,314.22 and 441,133.60 is: 608,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,672.64 : 1,077,314.22 = 441,133.60 : x
  2. Step 2: Convert to fraction form
    780,672.64/1,077,314.22 = 441,133.60/x
  3. Step 3: Cross multiply
    780,672.64x = 1,077,314.22 × 441,133.60
  4. Step 4: Simplify right side
    780,672.64x = 475,239,500,199.79
  5. Step 5: Solve for x
    x = 475,239,500,199.79/780,672.64
  6. Step 6: Final answer
    x = 608,756.44

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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.