Home / 1,105,951.38-1,656,269.84-631,197.42

Finding the Fourth Proportional to 1,105,951.38, 1,656,269.84 and 631,197.42

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Solution

The fourth proportional to 1,105,951.38, 1,656,269.84 and 631,197.42 is: 945,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,951.38 : 1,656,269.84 = 631,197.42 : x
  2. Step 2: Convert to fraction form
    1,105,951.38/1,656,269.84 = 631,197.42/x
  3. Step 3: Cross multiply
    1,105,951.38x = 1,656,269.84 × 631,197.42
  4. Step 4: Simplify right side
    1,105,951.38x = 1,045,433,249,831.81
  5. Step 5: Solve for x
    x = 1,045,433,249,831.81/1,105,951.38
  6. Step 6: Final answer
    x = 945,279.57

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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.