Home / 1,004,431.79-1,506,647.68-443,354.51

Finding the Fourth Proportional to 1,004,431.79, 1,506,647.68 and 443,354.51

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Solution

The fourth proportional to 1,004,431.79, 1,506,647.68 and 443,354.51 is: 665,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,431.79 : 1,506,647.68 = 443,354.51 : x
  2. Step 2: Convert to fraction form
    1,004,431.79/1,506,647.68 = 443,354.51/x
  3. Step 3: Cross multiply
    1,004,431.79x = 1,506,647.68 × 443,354.51
  4. Step 4: Simplify right side
    1,004,431.79x = 667,979,035,267.41
  5. Step 5: Solve for x
    x = 667,979,035,267.41/1,004,431.79
  6. Step 6: Final answer
    x = 665,031.76

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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.