Home / 770,736.56-1,156,215.61-238,299.11

Finding the Fourth Proportional to 770,736.56, 1,156,215.61 and 238,299.11

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Solution

The fourth proportional to 770,736.56, 1,156,215.61 and 238,299.11 is: 357,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,736.56 : 1,156,215.61 = 238,299.11 : x
  2. Step 2: Convert to fraction form
    770,736.56/1,156,215.61 = 238,299.11/x
  3. Step 3: Cross multiply
    770,736.56x = 1,156,215.61 × 238,299.11
  4. Step 4: Simplify right side
    770,736.56x = 275,525,150,831.11
  5. Step 5: Solve for x
    x = 275,525,150,831.11/770,736.56
  6. Step 6: Final answer
    x = 357,482.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.