Home / 821,023.62-1,133,001.87-458,453.67

Finding the Fourth Proportional to 821,023.62, 1,133,001.87 and 458,453.67

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Solution

The fourth proportional to 821,023.62, 1,133,001.87 and 458,453.67 is: 632,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,023.62 : 1,133,001.87 = 458,453.67 : x
  2. Step 2: Convert to fraction form
    821,023.62/1,133,001.87 = 458,453.67/x
  3. Step 3: Cross multiply
    821,023.62x = 1,133,001.87 × 458,453.67
  4. Step 4: Simplify right side
    821,023.62x = 519,428,865,418.36
  5. Step 5: Solve for x
    x = 519,428,865,418.36/821,023.62
  6. Step 6: Final answer
    x = 632,660.08

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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.