Home / 1,028,752.11-1,419,698.07-615,714.21

Finding the Fourth Proportional to 1,028,752.11, 1,419,698.07 and 615,714.21

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Solution

The fourth proportional to 1,028,752.11, 1,419,698.07 and 615,714.21 is: 849,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,752.11 : 1,419,698.07 = 615,714.21 : x
  2. Step 2: Convert to fraction form
    1,028,752.11/1,419,698.07 = 615,714.21/x
  3. Step 3: Cross multiply
    1,028,752.11x = 1,419,698.07 × 615,714.21
  4. Step 4: Simplify right side
    1,028,752.11x = 874,128,275,608.58
  5. Step 5: Solve for x
    x = 874,128,275,608.58/1,028,752.11
  6. Step 6: Final answer
    x = 849,697.67

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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.