Home / 467,430.38-645,186.06-276,510.14

Finding the Fourth Proportional to 467,430.38, 645,186.06 and 276,510.14

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Solution

The fourth proportional to 467,430.38, 645,186.06 and 276,510.14 is: 381,662.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,430.38 : 645,186.06 = 276,510.14 : x
  2. Step 2: Convert to fraction form
    467,430.38/645,186.06 = 276,510.14/x
  3. Step 3: Cross multiply
    467,430.38x = 645,186.06 × 276,510.14
  4. Step 4: Simplify right side
    467,430.38x = 178,400,487,776.65
  5. Step 5: Solve for x
    x = 178,400,487,776.65/467,430.38
  6. Step 6: Final answer
    x = 381,662.16

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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.