Home / 809,262.90-1,116,097.18-486,912.77

Finding the Fourth Proportional to 809,262.90, 1,116,097.18 and 486,912.77

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Solution

The fourth proportional to 809,262.90, 1,116,097.18 and 486,912.77 is: 671,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,262.90 : 1,116,097.18 = 486,912.77 : x
  2. Step 2: Convert to fraction form
    809,262.90/1,116,097.18 = 486,912.77/x
  3. Step 3: Cross multiply
    809,262.90x = 1,116,097.18 × 486,912.77
  4. Step 4: Simplify right side
    809,262.90x = 543,441,966,890.59
  5. Step 5: Solve for x
    x = 543,441,966,890.59/809,262.90
  6. Step 6: Final answer
    x = 671,527.10

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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.