Home / 558,839.46-771,177-317,107.62

Finding the Fourth Proportional to 558,839.46, 771,177 and 317,107.62

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Solution

The fourth proportional to 558,839.46, 771,177 and 317,107.62 is: 437,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,839.46 : 771,177 = 317,107.62 : x
  2. Step 2: Convert to fraction form
    558,839.46/771,177 = 317,107.62/x
  3. Step 3: Cross multiply
    558,839.46x = 771,177 × 317,107.62
  4. Step 4: Simplify right side
    558,839.46x = 244,546,103,068.74
  5. Step 5: Solve for x
    x = 244,546,103,068.74/558,839.46
  6. Step 6: Final answer
    x = 437,596.34

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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.