Home / 586,634.20-809,566.70-382,815.52

Finding the Fourth Proportional to 586,634.20, 809,566.70 and 382,815.52

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Solution

The fourth proportional to 586,634.20, 809,566.70 and 382,815.52 is: 528,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,634.20 : 809,566.70 = 382,815.52 : x
  2. Step 2: Convert to fraction form
    586,634.20/809,566.70 = 382,815.52/x
  3. Step 3: Cross multiply
    586,634.20x = 809,566.70 × 382,815.52
  4. Step 4: Simplify right side
    586,634.20x = 309,914,697,235.18
  5. Step 5: Solve for x
    x = 309,914,697,235.18/586,634.20
  6. Step 6: Final answer
    x = 528,292.92

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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.