Home / 705,214.40-1,058,858.40-495,780.80

Finding the Fourth Proportional to 705,214.40, 1,058,858.40 and 495,780.80

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Solution

The fourth proportional to 705,214.40, 1,058,858.40 and 495,780.80 is: 744,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,214.40 : 1,058,858.40 = 495,780.80 : x
  2. Step 2: Convert to fraction form
    705,214.40/1,058,858.40 = 495,780.80/x
  3. Step 3: Cross multiply
    705,214.40x = 1,058,858.40 × 495,780.80
  4. Step 4: Simplify right side
    705,214.40x = 524,961,664,638.72
  5. Step 5: Solve for x
    x = 524,961,664,638.72/705,214.40
  6. Step 6: Final answer
    x = 744,400.09

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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.