Home / 1,219,033.33-1,828,670.28-420,209.71

Finding the Fourth Proportional to 1,219,033.33, 1,828,670.28 and 420,209.71

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Solution

The fourth proportional to 1,219,033.33, 1,828,670.28 and 420,209.71 is: 630,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,033.33 : 1,828,670.28 = 420,209.71 : x
  2. Step 2: Convert to fraction form
    1,219,033.33/1,828,670.28 = 420,209.71/x
  3. Step 3: Cross multiply
    1,219,033.33x = 1,828,670.28 × 420,209.71
  4. Step 4: Simplify right side
    1,219,033.33x = 768,425,001,896.96
  5. Step 5: Solve for x
    x = 768,425,001,896.96/1,219,033.33
  6. Step 6: Final answer
    x = 630,356.02

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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.