Home / 1,639,116.64-2,457,272.54-628,963.48

Finding the Fourth Proportional to 1,639,116.64, 2,457,272.54 and 628,963.48

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Solution

The fourth proportional to 1,639,116.64, 2,457,272.54 and 628,963.48 is: 942,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,116.64 : 2,457,272.54 = 628,963.48 : x
  2. Step 2: Convert to fraction form
    1,639,116.64/2,457,272.54 = 628,963.48/x
  3. Step 3: Cross multiply
    1,639,116.64x = 2,457,272.54 × 628,963.48
  4. Step 4: Simplify right side
    1,639,116.64x = 1,545,534,688,066.84
  5. Step 5: Solve for x
    x = 1,545,534,688,066.84/1,639,116.64
  6. Step 6: Final answer
    x = 942,907.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.