Home / 1,031,416.96-1,547,199.96-431,775.04

Finding the Fourth Proportional to 1,031,416.96, 1,547,199.96 and 431,775.04

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Solution

The fourth proportional to 1,031,416.96, 1,547,199.96 and 431,775.04 is: 647,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,416.96 : 1,547,199.96 = 431,775.04 : x
  2. Step 2: Convert to fraction form
    1,031,416.96/1,547,199.96 = 431,775.04/x
  3. Step 3: Cross multiply
    1,031,416.96x = 1,547,199.96 × 431,775.04
  4. Step 4: Simplify right side
    1,031,416.96x = 668,042,324,617.00
  5. Step 5: Solve for x
    x = 668,042,324,617.00/1,031,416.96
  6. Step 6: Final answer
    x = 647,693.76

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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.