Home / 1,171,029.09-1,615,931.14-712,080.30

Finding the Fourth Proportional to 1,171,029.09, 1,615,931.14 and 712,080.30

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Solution

The fourth proportional to 1,171,029.09, 1,615,931.14 and 712,080.30 is: 982,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,029.09 : 1,615,931.14 = 712,080.30 : x
  2. Step 2: Convert to fraction form
    1,171,029.09/1,615,931.14 = 712,080.30/x
  3. Step 3: Cross multiply
    1,171,029.09x = 1,615,931.14 × 712,080.30
  4. Step 4: Simplify right side
    1,171,029.09x = 1,150,672,730,950.54
  5. Step 5: Solve for x
    x = 1,150,672,730,950.54/1,171,029.09
  6. Step 6: Final answer
    x = 982,616.69

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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.