Home / 688,653.64-1,033,040.00-190,017.64

Finding the Fourth Proportional to 688,653.64, 1,033,040.00 and 190,017.64

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Solution

The fourth proportional to 688,653.64, 1,033,040.00 and 190,017.64 is: 285,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,653.64 : 1,033,040.00 = 190,017.64 : x
  2. Step 2: Convert to fraction form
    688,653.64/1,033,040.00 = 190,017.64/x
  3. Step 3: Cross multiply
    688,653.64x = 1,033,040.00 × 190,017.64
  4. Step 4: Simplify right side
    688,653.64x = 196,295,821,875.51
  5. Step 5: Solve for x
    x = 196,295,821,875.51/688,653.64
  6. Step 6: Final answer
    x = 285,042.89

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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.