Home / 716,730.57-1,074,140.37-266,998.59

Finding the Fourth Proportional to 716,730.57, 1,074,140.37 and 266,998.59

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Solution

The fourth proportional to 716,730.57, 1,074,140.37 and 266,998.59 is: 400,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,730.57 : 1,074,140.37 = 266,998.59 : x
  2. Step 2: Convert to fraction form
    716,730.57/1,074,140.37 = 266,998.59/x
  3. Step 3: Cross multiply
    716,730.57x = 1,074,140.37 × 266,998.59
  4. Step 4: Simplify right side
    716,730.57x = 286,793,964,252.08
  5. Step 5: Solve for x
    x = 286,793,964,252.08/716,730.57
  6. Step 6: Final answer
    x = 400,141.94

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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.