Home / 1,297,339.29-1,946,194.98-398,856.45

Finding the Fourth Proportional to 1,297,339.29, 1,946,194.98 and 398,856.45

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Solution

The fourth proportional to 1,297,339.29, 1,946,194.98 and 398,856.45 is: 598,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,339.29 : 1,946,194.98 = 398,856.45 : x
  2. Step 2: Convert to fraction form
    1,297,339.29/1,946,194.98 = 398,856.45/x
  3. Step 3: Cross multiply
    1,297,339.29x = 1,946,194.98 × 398,856.45
  4. Step 4: Simplify right side
    1,297,339.29x = 776,252,420,730.62
  5. Step 5: Solve for x
    x = 776,252,420,730.62/1,297,339.29
  6. Step 6: Final answer
    x = 598,341.87

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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.