Home / 1,149,605.46-1,723,335.95-390,928.48

Finding the Fourth Proportional to 1,149,605.46, 1,723,335.95 and 390,928.48

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Solution

The fourth proportional to 1,149,605.46, 1,723,335.95 and 390,928.48 is: 586,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,605.46 : 1,723,335.95 = 390,928.48 : x
  2. Step 2: Convert to fraction form
    1,149,605.46/1,723,335.95 = 390,928.48/x
  3. Step 3: Cross multiply
    1,149,605.46x = 1,723,335.95 × 390,928.48
  4. Step 4: Simplify right side
    1,149,605.46x = 673,701,100,131.84
  5. Step 5: Solve for x
    x = 673,701,100,131.84/1,149,605.46
  6. Step 6: Final answer
    x = 586,028.10

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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.