Home / 775,925.88-1,071,269.58-531,319.92

Finding the Fourth Proportional to 775,925.88, 1,071,269.58 and 531,319.92

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Solution

The fourth proportional to 775,925.88, 1,071,269.58 and 531,319.92 is: 733,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,925.88 : 1,071,269.58 = 531,319.92 : x
  2. Step 2: Convert to fraction form
    775,925.88/1,071,269.58 = 531,319.92/x
  3. Step 3: Cross multiply
    775,925.88x = 1,071,269.58 × 531,319.92
  4. Step 4: Simplify right side
    775,925.88x = 569,186,867,544.03
  5. Step 5: Solve for x
    x = 569,186,867,544.03/775,925.88
  6. Step 6: Final answer
    x = 733,558.30

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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.