Home / 656,421.69-984,632.54-207,177.51

Finding the Fourth Proportional to 656,421.69, 984,632.54 and 207,177.51

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Solution

The fourth proportional to 656,421.69, 984,632.54 and 207,177.51 is: 310,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,421.69 : 984,632.54 = 207,177.51 : x
  2. Step 2: Convert to fraction form
    656,421.69/984,632.54 = 207,177.51/x
  3. Step 3: Cross multiply
    656,421.69x = 984,632.54 × 207,177.51
  4. Step 4: Simplify right side
    656,421.69x = 203,993,716,866.29
  5. Step 5: Solve for x
    x = 203,993,716,866.29/656,421.69
  6. Step 6: Final answer
    x = 310,766.27

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Similar ratio
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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.