Home / 1,081,798.14-1,622,678.84-323,641.38

Finding the Fourth Proportional to 1,081,798.14, 1,622,678.84 and 323,641.38

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Solution

The fourth proportional to 1,081,798.14, 1,622,678.84 and 323,641.38 is: 485,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,798.14 : 1,622,678.84 = 323,641.38 : x
  2. Step 2: Convert to fraction form
    1,081,798.14/1,622,678.84 = 323,641.38/x
  3. Step 3: Cross multiply
    1,081,798.14x = 1,622,678.84 × 323,641.38
  4. Step 4: Simplify right side
    1,081,798.14x = 525,166,019,074.40
  5. Step 5: Solve for x
    x = 525,166,019,074.40/1,081,798.14
  6. Step 6: Final answer
    x = 485,456.57

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1.5x scale

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.