Home / 876,074.46-1,208,981.07-494,100.06

Finding the Fourth Proportional to 876,074.46, 1,208,981.07 and 494,100.06

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Solution

The fourth proportional to 876,074.46, 1,208,981.07 and 494,100.06 is: 681,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,074.46 : 1,208,981.07 = 494,100.06 : x
  2. Step 2: Convert to fraction form
    876,074.46/1,208,981.07 = 494,100.06/x
  3. Step 3: Cross multiply
    876,074.46x = 1,208,981.07 × 494,100.06
  4. Step 4: Simplify right side
    876,074.46x = 597,357,619,225.86
  5. Step 5: Solve for x
    x = 597,357,619,225.86/876,074.46
  6. Step 6: Final answer
    x = 681,857.13

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Double scale
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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.