Home / 885,829.50-1,222,444.71-483,421.50

Finding the Fourth Proportional to 885,829.50, 1,222,444.71 and 483,421.50

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Solution

The fourth proportional to 885,829.50, 1,222,444.71 and 483,421.50 is: 667,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,829.50 : 1,222,444.71 = 483,421.50 : x
  2. Step 2: Convert to fraction form
    885,829.50/1,222,444.71 = 483,421.50/x
  3. Step 3: Cross multiply
    885,829.50x = 1,222,444.71 × 483,421.50
  4. Step 4: Simplify right side
    885,829.50x = 590,956,055,375.27
  5. Step 5: Solve for x
    x = 590,956,055,375.27/885,829.50
  6. Step 6: Final answer
    x = 667,121.67

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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.