Home / 780,709.14-1,077,364.56-441,170.10

Finding the Fourth Proportional to 780,709.14, 1,077,364.56 and 441,170.10

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Solution

The fourth proportional to 780,709.14, 1,077,364.56 and 441,170.10 is: 608,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,709.14 : 1,077,364.56 = 441,170.10 : x
  2. Step 2: Convert to fraction form
    780,709.14/1,077,364.56 = 441,170.10/x
  3. Step 3: Cross multiply
    780,709.14x = 1,077,364.56 × 441,170.10
  4. Step 4: Simplify right side
    780,709.14x = 475,301,030,671.66
  5. Step 5: Solve for x
    x = 475,301,030,671.66/780,709.14
  6. Step 6: Final answer
    x = 608,806.80

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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.