Home / 586,634.46-809,567.04-382,815.78

Finding the Fourth Proportional to 586,634.46, 809,567.04 and 382,815.78

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Solution

The fourth proportional to 586,634.46, 809,567.04 and 382,815.78 is: 528,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,634.46 : 809,567.04 = 382,815.78 : x
  2. Step 2: Convert to fraction form
    586,634.46/809,567.04 = 382,815.78/x
  3. Step 3: Cross multiply
    586,634.46x = 809,567.04 × 382,815.78
  4. Step 4: Simplify right side
    586,634.46x = 309,915,037,879.89
  5. Step 5: Solve for x
    x = 309,915,037,879.89/586,634.46
  6. Step 6: Final answer
    x = 528,293.27

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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.