Home / 1,718,540.80-2,577,155.10-520,064.80

Finding the Fourth Proportional to 1,718,540.80, 2,577,155.10 and 520,064.80

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Solution

The fourth proportional to 1,718,540.80, 2,577,155.10 and 520,064.80 is: 779,898.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,540.80 : 2,577,155.10 = 520,064.80 : x
  2. Step 2: Convert to fraction form
    1,718,540.80/2,577,155.10 = 520,064.80/x
  3. Step 3: Cross multiply
    1,718,540.80x = 2,577,155.10 × 520,064.80
  4. Step 4: Simplify right side
    1,718,540.80x = 1,340,287,651,650.48
  5. Step 5: Solve for x
    x = 1,340,287,651,650.48/1,718,540.80
  6. Step 6: Final answer
    x = 779,898.65

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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.