Home / 1,028,635.60-1,419,685.32-615,145.36

Finding the Fourth Proportional to 1,028,635.60, 1,419,685.32 and 615,145.36

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Solution

The fourth proportional to 1,028,635.60, 1,419,685.32 and 615,145.36 is: 849,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,635.60 : 1,419,685.32 = 615,145.36 : x
  2. Step 2: Convert to fraction form
    1,028,635.60/1,419,685.32 = 615,145.36/x
  3. Step 3: Cross multiply
    1,028,635.60x = 1,419,685.32 × 615,145.36
  4. Step 4: Simplify right side
    1,028,635.60x = 873,312,837,258.12
  5. Step 5: Solve for x
    x = 873,312,837,258.12/1,028,635.60
  6. Step 6: Final answer
    x = 849,001.18

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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.