Home / 1,403,529.83-2,105,371.24-443,913.72

Finding the Fourth Proportional to 1,403,529.83, 2,105,371.24 and 443,913.72

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Solution

The fourth proportional to 1,403,529.83, 2,105,371.24 and 443,913.72 is: 665,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,529.83 : 2,105,371.24 = 443,913.72 : x
  2. Step 2: Convert to fraction form
    1,403,529.83/2,105,371.24 = 443,913.72/x
  3. Step 3: Cross multiply
    1,403,529.83x = 2,105,371.24 × 443,913.72
  4. Step 4: Simplify right side
    1,403,529.83x = 934,603,170,124.49
  5. Step 5: Solve for x
    x = 934,603,170,124.49/1,403,529.83
  6. Step 6: Final answer
    x = 665,894.77

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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.