Home / 1,045,695.20-1,569,579.60-513,816.80

Finding the Fourth Proportional to 1,045,695.20, 1,569,579.60 and 513,816.80

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Solution

The fourth proportional to 1,045,695.20, 1,569,579.60 and 513,816.80 is: 771,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,695.20 : 1,569,579.60 = 513,816.80 : x
  2. Step 2: Convert to fraction form
    1,045,695.20/1,569,579.60 = 513,816.80/x
  3. Step 3: Cross multiply
    1,045,695.20x = 1,569,579.60 × 513,816.80
  4. Step 4: Simplify right side
    1,045,695.20x = 806,476,367,417.28
  5. Step 5: Solve for x
    x = 806,476,367,417.28/1,045,695.20
  6. Step 6: Final answer
    x = 771,234.65

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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.