Home / 1,186,427.88-1,637,371.30-670,276.58

Finding the Fourth Proportional to 1,186,427.88, 1,637,371.30 and 670,276.58

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Solution

The fourth proportional to 1,186,427.88, 1,637,371.30 and 670,276.58 is: 925,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,427.88 : 1,637,371.30 = 670,276.58 : x
  2. Step 2: Convert to fraction form
    1,186,427.88/1,637,371.30 = 670,276.58/x
  3. Step 3: Cross multiply
    1,186,427.88x = 1,637,371.30 × 670,276.58
  4. Step 4: Simplify right side
    1,186,427.88x = 1,097,491,635,154.15
  5. Step 5: Solve for x
    x = 1,097,491,635,154.15/1,186,427.88
  6. Step 6: Final answer
    x = 925,038.64

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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.