Home / 688,669.28-1,033,063.44-190,033.28

Finding the Fourth Proportional to 688,669.28, 1,033,063.44 and 190,033.28

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Solution

The fourth proportional to 688,669.28, 1,033,063.44 and 190,033.28 is: 285,066.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,669.28 : 1,033,063.44 = 190,033.28 : x
  2. Step 2: Convert to fraction form
    688,669.28/1,033,063.44 = 190,033.28/x
  3. Step 3: Cross multiply
    688,669.28x = 1,033,063.44 × 190,033.28
  4. Step 4: Simplify right side
    688,669.28x = 196,316,433,951.28
  5. Step 5: Solve for x
    x = 196,316,433,951.28/688,669.28
  6. Step 6: Final answer
    x = 285,066.34

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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.