Home / 643,587.96-965,538.01-194,281.98

Finding the Fourth Proportional to 643,587.96, 965,538.01 and 194,281.98

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Solution

The fourth proportional to 643,587.96, 965,538.01 and 194,281.98 is: 291,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,587.96 : 965,538.01 = 194,281.98 : x
  2. Step 2: Convert to fraction form
    643,587.96/965,538.01 = 194,281.98/x
  3. Step 3: Cross multiply
    643,587.96x = 965,538.01 × 194,281.98
  4. Step 4: Simplify right side
    643,587.96x = 187,586,636,348.06
  5. Step 5: Solve for x
    x = 187,586,636,348.06/643,587.96
  6. Step 6: Final answer
    x = 291,470.08

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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.