Home / 762,146.67-1,051,686.59-439,960.56

Finding the Fourth Proportional to 762,146.67, 1,051,686.59 and 439,960.56

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Solution

The fourth proportional to 762,146.67, 1,051,686.59 and 439,960.56 is: 607,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,146.67 : 1,051,686.59 = 439,960.56 : x
  2. Step 2: Convert to fraction form
    762,146.67/1,051,686.59 = 439,960.56/x
  3. Step 3: Cross multiply
    762,146.67x = 1,051,686.59 × 439,960.56
  4. Step 4: Simplify right side
    762,146.67x = 462,700,620,530.94
  5. Step 5: Solve for x
    x = 462,700,620,530.94/762,146.67
  6. Step 6: Final answer
    x = 607,101.81

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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.