Home / 685,831.66-1,024,576.17-443,975.26

Finding the Fourth Proportional to 685,831.66, 1,024,576.17 and 443,975.26

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Solution

The fourth proportional to 685,831.66, 1,024,576.17 and 443,975.26 is: 663,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,831.66 : 1,024,576.17 = 443,975.26 : x
  2. Step 2: Convert to fraction form
    685,831.66/1,024,576.17 = 443,975.26/x
  3. Step 3: Cross multiply
    685,831.66x = 1,024,576.17 × 443,975.26
  4. Step 4: Simplify right side
    685,831.66x = 454,886,471,465.55
  5. Step 5: Solve for x
    x = 454,886,471,465.55/685,831.66
  6. Step 6: Final answer
    x = 663,262.57

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.