Home / 821,089.81-1,133,093.23-458,520.04

Finding the Fourth Proportional to 821,089.81, 1,133,093.23 and 458,520.04

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Solution

The fourth proportional to 821,089.81, 1,133,093.23 and 458,520.04 is: 632,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,089.81 : 1,133,093.23 = 458,520.04 : x
  2. Step 2: Convert to fraction form
    821,089.81/1,133,093.23 = 458,520.04/x
  3. Step 3: Cross multiply
    821,089.81x = 1,133,093.23 × 458,520.04
  4. Step 4: Simplify right side
    821,089.81x = 519,545,953,143.33
  5. Step 5: Solve for x
    x = 519,545,953,143.33/821,089.81
  6. Step 6: Final answer
    x = 632,751.68

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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.