Home / 595,281.12-821,703.60-394,141.92

Finding the Fourth Proportional to 595,281.12, 821,703.60 and 394,141.92

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Solution

The fourth proportional to 595,281.12, 821,703.60 and 394,141.92 is: 544,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,281.12 : 821,703.60 = 394,141.92 : x
  2. Step 2: Convert to fraction form
    595,281.12/821,703.60 = 394,141.92/x
  3. Step 3: Cross multiply
    595,281.12x = 821,703.60 × 394,141.92
  4. Step 4: Simplify right side
    595,281.12x = 323,867,834,574.91
  5. Step 5: Solve for x
    x = 323,867,834,574.91/595,281.12
  6. Step 6: Final answer
    x = 544,058.64

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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.