Home / 1,229,683.80-1,844,784.90-519,346.20

Finding the Fourth Proportional to 1,229,683.80, 1,844,784.90 and 519,346.20

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Solution

The fourth proportional to 1,229,683.80, 1,844,784.90 and 519,346.20 is: 779,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,683.80 : 1,844,784.90 = 519,346.20 : x
  2. Step 2: Convert to fraction form
    1,229,683.80/1,844,784.90 = 519,346.20/x
  3. Step 3: Cross multiply
    1,229,683.80x = 1,844,784.90 × 519,346.20
  4. Step 4: Simplify right side
    1,229,683.80x = 958,082,027,632.38
  5. Step 5: Solve for x
    x = 958,082,027,632.38/1,229,683.80
  6. Step 6: Final answer
    x = 779,128.77

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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.