Home / 688,653.14-1,033,039.25-190,017.14

Finding the Fourth Proportional to 688,653.14, 1,033,039.25 and 190,017.14

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Solution

The fourth proportional to 688,653.14, 1,033,039.25 and 190,017.14 is: 285,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,653.14 : 1,033,039.25 = 190,017.14 : x
  2. Step 2: Convert to fraction form
    688,653.14/1,033,039.25 = 190,017.14/x
  3. Step 3: Cross multiply
    688,653.14x = 1,033,039.25 × 190,017.14
  4. Step 4: Simplify right side
    688,653.14x = 196,295,163,666.45
  5. Step 5: Solve for x
    x = 196,295,163,666.45/688,653.14
  6. Step 6: Final answer
    x = 285,042.14

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1.5x scale

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.