Home / 893,629.55-1,233,217.03-485,732.35

Finding the Fourth Proportional to 893,629.55, 1,233,217.03 and 485,732.35

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Solution

The fourth proportional to 893,629.55, 1,233,217.03 and 485,732.35 is: 670,315.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,629.55 : 1,233,217.03 = 485,732.35 : x
  2. Step 2: Convert to fraction form
    893,629.55/1,233,217.03 = 485,732.35/x
  3. Step 3: Cross multiply
    893,629.55x = 1,233,217.03 × 485,732.35
  4. Step 4: Simplify right side
    893,629.55x = 599,013,406,041.92
  5. Step 5: Solve for x
    x = 599,013,406,041.92/893,629.55
  6. Step 6: Final answer
    x = 670,315.13

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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.