Home / 1,226,771.38-1,840,230.58-385,323.13

Finding the Fourth Proportional to 1,226,771.38, 1,840,230.58 and 385,323.13

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Solution

The fourth proportional to 1,226,771.38, 1,840,230.58 and 385,323.13 is: 578,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,771.38 : 1,840,230.58 = 385,323.13 : x
  2. Step 2: Convert to fraction form
    1,226,771.38/1,840,230.58 = 385,323.13/x
  3. Step 3: Cross multiply
    1,226,771.38x = 1,840,230.58 × 385,323.13
  4. Step 4: Simplify right side
    1,226,771.38x = 709,083,407,007.32
  5. Step 5: Solve for x
    x = 709,083,407,007.32/1,226,771.38
  6. Step 6: Final answer
    x = 578,007.78

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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.