Home / 526,940.16-727,246.08-300,629.76

Finding the Fourth Proportional to 526,940.16, 727,246.08 and 300,629.76

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Solution

The fourth proportional to 526,940.16, 727,246.08 and 300,629.76 is: 414,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,940.16 : 727,246.08 = 300,629.76 : x
  2. Step 2: Convert to fraction form
    526,940.16/727,246.08 = 300,629.76/x
  3. Step 3: Cross multiply
    526,940.16x = 727,246.08 × 300,629.76
  4. Step 4: Simplify right side
    526,940.16x = 218,631,814,491.34
  5. Step 5: Solve for x
    x = 218,631,814,491.34/526,940.16
  6. Step 6: Final answer
    x = 414,908.24

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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.