Home / 1,081,595.41-1,621,249.02-407,385

Finding the Fourth Proportional to 1,081,595.41, 1,621,249.02 and 407,385

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Solution

The fourth proportional to 1,081,595.41, 1,621,249.02 and 407,385 is: 610,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,595.41 : 1,621,249.02 = 407,385 : x
  2. Step 2: Convert to fraction form
    1,081,595.41/1,621,249.02 = 407,385/x
  3. Step 3: Cross multiply
    1,081,595.41x = 1,621,249.02 × 407,385
  4. Step 4: Simplify right side
    1,081,595.41x = 660,472,532,012.70
  5. Step 5: Solve for x
    x = 660,472,532,012.70/1,081,595.41
  6. Step 6: Final answer
    x = 610,646.58

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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.