Home / 821,147.84-1,133,161.92-458,561.60

Finding the Fourth Proportional to 821,147.84, 1,133,161.92 and 458,561.60

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Solution

The fourth proportional to 821,147.84, 1,133,161.92 and 458,561.60 is: 632,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,147.84 : 1,133,161.92 = 458,561.60 : x
  2. Step 2: Convert to fraction form
    821,147.84/1,133,161.92 = 458,561.60/x
  3. Step 3: Cross multiply
    821,147.84x = 1,133,161.92 × 458,561.60
  4. Step 4: Simplify right side
    821,147.84x = 519,624,543,094.27
  5. Step 5: Solve for x
    x = 519,624,543,094.27/821,147.84
  6. Step 6: Final answer
    x = 632,802.67

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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.