Home / 673,205.87-928,897.20-401,299.07

Finding the Fourth Proportional to 673,205.87, 928,897.20 and 401,299.07

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Solution

The fourth proportional to 673,205.87, 928,897.20 and 401,299.07 is: 553,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,205.87 : 928,897.20 = 401,299.07 : x
  2. Step 2: Convert to fraction form
    673,205.87/928,897.20 = 401,299.07/x
  3. Step 3: Cross multiply
    673,205.87x = 928,897.20 × 401,299.07
  4. Step 4: Simplify right side
    673,205.87x = 372,765,577,841.12
  5. Step 5: Solve for x
    x = 372,765,577,841.12/673,205.87
  6. Step 6: Final answer
    x = 553,717.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.