Home / 688,689.52-1,033,093.68-190,053.52

Finding the Fourth Proportional to 688,689.52, 1,033,093.68 and 190,053.52

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Solution

The fourth proportional to 688,689.52, 1,033,093.68 and 190,053.52 is: 285,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,689.52 : 1,033,093.68 = 190,053.52 : x
  2. Step 2: Convert to fraction form
    688,689.52/1,033,093.68 = 190,053.52/x
  3. Step 3: Cross multiply
    688,689.52x = 1,033,093.68 × 190,053.52
  4. Step 4: Simplify right side
    688,689.52x = 196,343,090,373.75
  5. Step 5: Solve for x
    x = 196,343,090,373.75/688,689.52
  6. Step 6: Final answer
    x = 285,096.67

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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.