Home / 1,400,570.57-1,932,869.77-856,810.59

Finding the Fourth Proportional to 1,400,570.57, 1,932,869.77 and 856,810.59

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Solution

The fourth proportional to 1,400,570.57, 1,932,869.77 and 856,810.59 is: 1,182,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,570.57 : 1,932,869.77 = 856,810.59 : x
  2. Step 2: Convert to fraction form
    1,400,570.57/1,932,869.77 = 856,810.59/x
  3. Step 3: Cross multiply
    1,400,570.57x = 1,932,869.77 × 856,810.59
  4. Step 4: Simplify right side
    1,400,570.57x = 1,656,103,289,097.88
  5. Step 5: Solve for x
    x = 1,656,103,289,097.88/1,400,570.57
  6. Step 6: Final answer
    x = 1,182,449.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.