Home / 1,226,661.10-1,839,991.10-328,079.50

Finding the Fourth Proportional to 1,226,661.10, 1,839,991.10 and 328,079.50

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Solution

The fourth proportional to 1,226,661.10, 1,839,991.10 and 328,079.50 is: 492,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,661.10 : 1,839,991.10 = 328,079.50 : x
  2. Step 2: Convert to fraction form
    1,226,661.10/1,839,991.10 = 328,079.50/x
  3. Step 3: Cross multiply
    1,226,661.10x = 1,839,991.10 × 328,079.50
  4. Step 4: Simplify right side
    1,226,661.10x = 603,663,360,092.45
  5. Step 5: Solve for x
    x = 603,663,360,092.45/1,226,661.10
  6. Step 6: Final answer
    x = 492,119.10

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Double scale
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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.