Home / 389,623.80-584,262.90-179,326.20

Finding the Fourth Proportional to 389,623.80, 584,262.90 and 179,326.20

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Solution

The fourth proportional to 389,623.80, 584,262.90 and 179,326.20 is: 268,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,623.80 : 584,262.90 = 179,326.20 : x
  2. Step 2: Convert to fraction form
    389,623.80/584,262.90 = 179,326.20/x
  3. Step 3: Cross multiply
    389,623.80x = 584,262.90 × 179,326.20
  4. Step 4: Simplify right side
    389,623.80x = 104,773,645,657.98
  5. Step 5: Solve for x
    x = 104,773,645,657.98/389,623.80
  6. Step 6: Final answer
    x = 268,909.77

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1.5x scale

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.