Home / 1,045,705.20-1,569,594.60-513,826.80

Finding the Fourth Proportional to 1,045,705.20, 1,569,594.60 and 513,826.80

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Solution

The fourth proportional to 1,045,705.20, 1,569,594.60 and 513,826.80 is: 771,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,705.20 : 1,569,594.60 = 513,826.80 : x
  2. Step 2: Convert to fraction form
    1,045,705.20/1,569,594.60 = 513,826.80/x
  3. Step 3: Cross multiply
    1,045,705.20x = 1,569,594.60 × 513,826.80
  4. Step 4: Simplify right side
    1,045,705.20x = 806,499,770,615.28
  5. Step 5: Solve for x
    x = 806,499,770,615.28/1,045,705.20
  6. Step 6: Final answer
    x = 771,249.65

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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.