Home / 1,114,718.85-1,672,078.28-665,946.45

Finding the Fourth Proportional to 1,114,718.85, 1,672,078.28 and 665,946.45

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Solution

The fourth proportional to 1,114,718.85, 1,672,078.28 and 665,946.45 is: 998,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,718.85 : 1,672,078.28 = 665,946.45 : x
  2. Step 2: Convert to fraction form
    1,114,718.85/1,672,078.28 = 665,946.45/x
  3. Step 3: Cross multiply
    1,114,718.85x = 1,672,078.28 × 665,946.45
  4. Step 4: Simplify right side
    1,114,718.85x = 1,113,514,591,358.37
  5. Step 5: Solve for x
    x = 1,113,514,591,358.37/1,114,718.85
  6. Step 6: Final answer
    x = 998,919.68

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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.