Home / 814,004.40-1,221,006.60-530,569.20

Finding the Fourth Proportional to 814,004.40, 1,221,006.60 and 530,569.20

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Solution

The fourth proportional to 814,004.40, 1,221,006.60 and 530,569.20 is: 795,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,004.40 : 1,221,006.60 = 530,569.20 : x
  2. Step 2: Convert to fraction form
    814,004.40/1,221,006.60 = 530,569.20/x
  3. Step 3: Cross multiply
    814,004.40x = 1,221,006.60 × 530,569.20
  4. Step 4: Simplify right side
    814,004.40x = 647,828,494,956.72
  5. Step 5: Solve for x
    x = 647,828,494,956.72/814,004.40
  6. Step 6: Final answer
    x = 795,853.80

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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.