Home / 1,054,517.16-1,581,448.44-380,511

Finding the Fourth Proportional to 1,054,517.16, 1,581,448.44 and 380,511

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Solution

The fourth proportional to 1,054,517.16, 1,581,448.44 and 380,511 is: 570,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,517.16 : 1,581,448.44 = 380,511 : x
  2. Step 2: Convert to fraction form
    1,054,517.16/1,581,448.44 = 380,511/x
  3. Step 3: Cross multiply
    1,054,517.16x = 1,581,448.44 × 380,511
  4. Step 4: Simplify right side
    1,054,517.16x = 601,758,527,352.84
  5. Step 5: Solve for x
    x = 601,758,527,352.84/1,054,517.16
  6. Step 6: Final answer
    x = 570,648.40

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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.