Home / 586,636.20-809,569.46-382,817.52

Finding the Fourth Proportional to 586,636.20, 809,569.46 and 382,817.52

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Solution

The fourth proportional to 586,636.20, 809,569.46 and 382,817.52 is: 528,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,636.20 : 809,569.46 = 382,817.52 : x
  2. Step 2: Convert to fraction form
    586,636.20/809,569.46 = 382,817.52/x
  3. Step 3: Cross multiply
    586,636.20x = 809,569.46 × 382,817.52
  4. Step 4: Simplify right side
    586,636.20x = 309,917,372,944.94
  5. Step 5: Solve for x
    x = 309,917,372,944.94/586,636.20
  6. Step 6: Final answer
    x = 528,295.68

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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.