Home / 712,804.01-1,066,251.13-543,039.89

Finding the Fourth Proportional to 712,804.01, 1,066,251.13 and 543,039.89

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Solution

The fourth proportional to 712,804.01, 1,066,251.13 and 543,039.89 is: 812,308.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,804.01 : 1,066,251.13 = 543,039.89 : x
  2. Step 2: Convert to fraction form
    712,804.01/1,066,251.13 = 543,039.89/x
  3. Step 3: Cross multiply
    712,804.01x = 1,066,251.13 × 543,039.89
  4. Step 4: Simplify right side
    712,804.01x = 579,016,889,658.72
  5. Step 5: Solve for x
    x = 579,016,889,658.72/712,804.01
  6. Step 6: Final answer
    x = 812,308.69

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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.