Home / 1,700,782.20-2,547,674.10-859,807.80

Finding the Fourth Proportional to 1,700,782.20, 2,547,674.10 and 859,807.80

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Solution

The fourth proportional to 1,700,782.20, 2,547,674.10 and 859,807.80 is: 1,287,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,782.20 : 2,547,674.10 = 859,807.80 : x
  2. Step 2: Convert to fraction form
    1,700,782.20/2,547,674.10 = 859,807.80/x
  3. Step 3: Cross multiply
    1,700,782.20x = 2,547,674.10 × 859,807.80
  4. Step 4: Simplify right side
    1,700,782.20x = 2,190,510,063,037.98
  5. Step 5: Solve for x
    x = 2,190,510,063,037.98/1,700,782.20
  6. Step 6: Final answer
    x = 1,287,942.73

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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.