Home / 810,814.33-1,118,923.63-443,292.76

Finding the Fourth Proportional to 810,814.33, 1,118,923.63 and 443,292.76

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Solution

The fourth proportional to 810,814.33, 1,118,923.63 and 443,292.76 is: 611,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,814.33 : 1,118,923.63 = 443,292.76 : x
  2. Step 2: Convert to fraction form
    810,814.33/1,118,923.63 = 443,292.76/x
  3. Step 3: Cross multiply
    810,814.33x = 1,118,923.63 × 443,292.76
  4. Step 4: Simplify right side
    810,814.33x = 496,010,744,171.92
  5. Step 5: Solve for x
    x = 496,010,744,171.92/810,814.33
  6. Step 6: Final answer
    x = 611,743.93

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1.5x scale

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.