Home / 691,033.17-1,036,632.81-653,241.81

Finding the Fourth Proportional to 691,033.17, 1,036,632.81 and 653,241.81

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Solution

The fourth proportional to 691,033.17, 1,036,632.81 and 653,241.81 is: 979,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,033.17 : 1,036,632.81 = 653,241.81 : x
  2. Step 2: Convert to fraction form
    691,033.17/1,036,632.81 = 653,241.81/x
  3. Step 3: Cross multiply
    691,033.17x = 1,036,632.81 × 653,241.81
  4. Step 4: Simplify right side
    691,033.17x = 677,171,897,609.57
  5. Step 5: Solve for x
    x = 677,171,897,609.57/691,033.17
  6. Step 6: Final answer
    x = 979,941.23

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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.