Home / 1,287,676.20-1,931,514.30-624,124.20

Finding the Fourth Proportional to 1,287,676.20, 1,931,514.30 and 624,124.20

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Solution

The fourth proportional to 1,287,676.20, 1,931,514.30 and 624,124.20 is: 936,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,676.20 : 1,931,514.30 = 624,124.20 : x
  2. Step 2: Convert to fraction form
    1,287,676.20/1,931,514.30 = 624,124.20/x
  3. Step 3: Cross multiply
    1,287,676.20x = 1,931,514.30 × 624,124.20
  4. Step 4: Simplify right side
    1,287,676.20x = 1,205,504,817,276.06
  5. Step 5: Solve for x
    x = 1,205,504,817,276.06/1,287,676.20
  6. Step 6: Final answer
    x = 936,186.30

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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.