Home / 581,586.07-872,518.53-281,716.18

Finding the Fourth Proportional to 581,586.07, 872,518.53 and 281,716.18

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Solution

The fourth proportional to 581,586.07, 872,518.53 and 281,716.18 is: 422,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,586.07 : 872,518.53 = 281,716.18 : x
  2. Step 2: Convert to fraction form
    581,586.07/872,518.53 = 281,716.18/x
  3. Step 3: Cross multiply
    581,586.07x = 872,518.53 × 281,716.18
  4. Step 4: Simplify right side
    581,586.07x = 245,802,587,250.82
  5. Step 5: Solve for x
    x = 245,802,587,250.82/581,586.07
  6. Step 6: Final answer
    x = 422,641.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.