Home / 453,942.32-625,975.80-300,927.28

Finding the Fourth Proportional to 453,942.32, 625,975.80 and 300,927.28

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Solution

The fourth proportional to 453,942.32, 625,975.80 and 300,927.28 is: 414,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,942.32 : 625,975.80 = 300,927.28 : x
  2. Step 2: Convert to fraction form
    453,942.32/625,975.80 = 300,927.28/x
  3. Step 3: Cross multiply
    453,942.32x = 625,975.80 × 300,927.28
  4. Step 4: Simplify right side
    453,942.32x = 188,373,194,839.82
  5. Step 5: Solve for x
    x = 188,373,194,839.82/453,942.32
  6. Step 6: Final answer
    x = 414,971.65

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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.