Home / 809,774.46-1,116,440.46-554,669.82

Finding the Fourth Proportional to 809,774.46, 1,116,440.46 and 554,669.82

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Solution

The fourth proportional to 809,774.46, 1,116,440.46 and 554,669.82 is: 764,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,774.46 : 1,116,440.46 = 554,669.82 : x
  2. Step 2: Convert to fraction form
    809,774.46/1,116,440.46 = 554,669.82/x
  3. Step 3: Cross multiply
    809,774.46x = 1,116,440.46 × 554,669.82
  4. Step 4: Simplify right side
    809,774.46x = 619,255,828,988.92
  5. Step 5: Solve for x
    x = 619,255,828,988.92/809,774.46
  6. Step 6: Final answer
    x = 764,726.30

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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.