Home / 613,392.12-846,897.75-384,042.11

Finding the Fourth Proportional to 613,392.12, 846,897.75 and 384,042.11

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Solution

The fourth proportional to 613,392.12, 846,897.75 and 384,042.11 is: 530,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,392.12 : 846,897.75 = 384,042.11 : x
  2. Step 2: Convert to fraction form
    613,392.12/846,897.75 = 384,042.11/x
  3. Step 3: Cross multiply
    613,392.12x = 846,897.75 × 384,042.11
  4. Step 4: Simplify right side
    613,392.12x = 325,244,394,629.76
  5. Step 5: Solve for x
    x = 325,244,394,629.76/613,392.12
  6. Step 6: Final answer
    x = 530,238.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.