Home / 716,516.16-1,074,606.24-316,939.20

Finding the Fourth Proportional to 716,516.16, 1,074,606.24 and 316,939.20

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Solution

The fourth proportional to 716,516.16, 1,074,606.24 and 316,939.20 is: 475,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,516.16 : 1,074,606.24 = 316,939.20 : x
  2. Step 2: Convert to fraction form
    716,516.16/1,074,606.24 = 316,939.20/x
  3. Step 3: Cross multiply
    716,516.16x = 1,074,606.24 × 316,939.20
  4. Step 4: Simplify right side
    716,516.16x = 340,584,842,020.61
  5. Step 5: Solve for x
    x = 340,584,842,020.61/716,516.16
  6. Step 6: Final answer
    x = 475,334.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.