Home / 586,629.71-809,560.46-382,811.03

Finding the Fourth Proportional to 586,629.71, 809,560.46 and 382,811.03

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Solution

The fourth proportional to 586,629.71, 809,560.46 and 382,811.03 is: 528,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,629.71 : 809,560.46 = 382,811.03 : x
  2. Step 2: Convert to fraction form
    586,629.71/809,560.46 = 382,811.03/x
  3. Step 3: Cross multiply
    586,629.71x = 809,560.46 × 382,811.03
  4. Step 4: Simplify right side
    586,629.71x = 309,908,673,539.87
  5. Step 5: Solve for x
    x = 309,908,673,539.87/586,629.71
  6. Step 6: Final answer
    x = 528,286.70

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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.