Home / 1,123,853.20-1,685,779.80-651,752.80

Finding the Fourth Proportional to 1,123,853.20, 1,685,779.80 and 651,752.80

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Solution

The fourth proportional to 1,123,853.20, 1,685,779.80 and 651,752.80 is: 977,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,853.20 : 1,685,779.80 = 651,752.80 : x
  2. Step 2: Convert to fraction form
    1,123,853.20/1,685,779.80 = 651,752.80/x
  3. Step 3: Cross multiply
    1,123,853.20x = 1,685,779.80 × 651,752.80
  4. Step 4: Simplify right side
    1,123,853.20x = 1,098,711,704,833.44
  5. Step 5: Solve for x
    x = 1,098,711,704,833.44/1,123,853.20
  6. Step 6: Final answer
    x = 977,629.20

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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.