Home / 1,115,644.32-1,539,563.04-625,581.36

Finding the Fourth Proportional to 1,115,644.32, 1,539,563.04 and 625,581.36

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Solution

The fourth proportional to 1,115,644.32, 1,539,563.04 and 625,581.36 is: 863,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,644.32 : 1,539,563.04 = 625,581.36 : x
  2. Step 2: Convert to fraction form
    1,115,644.32/1,539,563.04 = 625,581.36/x
  3. Step 3: Cross multiply
    1,115,644.32x = 1,539,563.04 × 625,581.36
  4. Step 4: Simplify right side
    1,115,644.32x = 963,121,940,368.94
  5. Step 5: Solve for x
    x = 963,121,940,368.94/1,115,644.32
  6. Step 6: Final answer
    x = 863,287.63

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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.