Home / 756,603.70-1,134,905.55-621,301.30

Finding the Fourth Proportional to 756,603.70, 1,134,905.55 and 621,301.30

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Solution

The fourth proportional to 756,603.70, 1,134,905.55 and 621,301.30 is: 931,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,603.70 : 1,134,905.55 = 621,301.30 : x
  2. Step 2: Convert to fraction form
    756,603.70/1,134,905.55 = 621,301.30/x
  3. Step 3: Cross multiply
    756,603.70x = 1,134,905.55 × 621,301.30
  4. Step 4: Simplify right side
    756,603.70x = 705,118,293,592.22
  5. Step 5: Solve for x
    x = 705,118,293,592.22/756,603.70
  6. Step 6: Final answer
    x = 931,951.95

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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.