Home / 790,479.53-1,185,715.33-191,440.67

Finding the Fourth Proportional to 790,479.53, 1,185,715.33 and 191,440.67

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Solution

The fourth proportional to 790,479.53, 1,185,715.33 and 191,440.67 is: 287,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,479.53 : 1,185,715.33 = 191,440.67 : x
  2. Step 2: Convert to fraction form
    790,479.53/1,185,715.33 = 191,440.67/x
  3. Step 3: Cross multiply
    790,479.53x = 1,185,715.33 × 191,440.67
  4. Step 4: Simplify right side
    790,479.53x = 226,994,137,204.47
  5. Step 5: Solve for x
    x = 226,994,137,204.47/790,479.53
  6. Step 6: Final answer
    x = 287,160.04

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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.