Home / 1,226,390.32-1,839,593.67-427,668.76

Finding the Fourth Proportional to 1,226,390.32, 1,839,593.67 and 427,668.76

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Solution

The fourth proportional to 1,226,390.32, 1,839,593.67 and 427,668.76 is: 641,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,390.32 : 1,839,593.67 = 427,668.76 : x
  2. Step 2: Convert to fraction form
    1,226,390.32/1,839,593.67 = 427,668.76/x
  3. Step 3: Cross multiply
    1,226,390.32x = 1,839,593.67 × 427,668.76
  4. Step 4: Simplify right side
    1,226,390.32x = 786,736,743,752.75
  5. Step 5: Solve for x
    x = 786,736,743,752.75/1,226,390.32
  6. Step 6: Final answer
    x = 641,506.00

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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.