Home / 775,559.76-1,164,429.56-396,752.23

Finding the Fourth Proportional to 775,559.76, 1,164,429.56 and 396,752.23

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Solution

The fourth proportional to 775,559.76, 1,164,429.56 and 396,752.23 is: 595,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,559.76 : 1,164,429.56 = 396,752.23 : x
  2. Step 2: Convert to fraction form
    775,559.76/1,164,429.56 = 396,752.23/x
  3. Step 3: Cross multiply
    775,559.76x = 1,164,429.56 × 396,752.23
  4. Step 4: Simplify right side
    775,559.76x = 461,990,018,785.77
  5. Step 5: Solve for x
    x = 461,990,018,785.77/775,559.76
  6. Step 6: Final answer
    x = 595,685.91

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1.5x scale

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.