Home / 912,706.52-1,375,221.28-756,263.94

Finding the Fourth Proportional to 912,706.52, 1,375,221.28 and 756,263.94

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Solution

The fourth proportional to 912,706.52, 1,375,221.28 and 756,263.94 is: 1,139,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,706.52 : 1,375,221.28 = 756,263.94 : x
  2. Step 2: Convert to fraction form
    912,706.52/1,375,221.28 = 756,263.94/x
  3. Step 3: Cross multiply
    912,706.52x = 1,375,221.28 × 756,263.94
  4. Step 4: Simplify right side
    912,706.52x = 1,040,030,263,584.64
  5. Step 5: Solve for x
    x = 1,040,030,263,584.64/912,706.52
  6. Step 6: Final answer
    x = 1,139,501.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.