Home / 753,021-1,039,176.27-413,496.54

Finding the Fourth Proportional to 753,021, 1,039,176.27 and 413,496.54

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Solution

The fourth proportional to 753,021, 1,039,176.27 and 413,496.54 is: 570,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,021 : 1,039,176.27 = 413,496.54 : x
  2. Step 2: Convert to fraction form
    753,021/1,039,176.27 = 413,496.54/x
  3. Step 3: Cross multiply
    753,021x = 1,039,176.27 × 413,496.54
  4. Step 4: Simplify right side
    753,021x = 429,695,792,095.11
  5. Step 5: Solve for x
    x = 429,695,792,095.11/753,021
  6. Step 6: Final answer
    x = 570,629.23

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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.