Home / 716,216.18-1,074,391.71-210,777.40

Finding the Fourth Proportional to 716,216.18, 1,074,391.71 and 210,777.40

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Solution

The fourth proportional to 716,216.18, 1,074,391.71 and 210,777.40 is: 316,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,216.18 : 1,074,391.71 = 210,777.40 : x
  2. Step 2: Convert to fraction form
    716,216.18/1,074,391.71 = 210,777.40/x
  3. Step 3: Cross multiply
    716,216.18x = 1,074,391.71 × 210,777.40
  4. Step 4: Simplify right side
    716,216.18x = 226,457,484,789.51
  5. Step 5: Solve for x
    x = 226,457,484,789.51/716,216.18
  6. Step 6: Final answer
    x = 316,185.94

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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.