Home / 497,020.01-745,749.50-385,667.69

Finding the Fourth Proportional to 497,020.01, 745,749.50 and 385,667.69

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Solution

The fourth proportional to 497,020.01, 745,749.50 and 385,667.69 is: 578,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,020.01 : 745,749.50 = 385,667.69 : x
  2. Step 2: Convert to fraction form
    497,020.01/745,749.50 = 385,667.69/x
  3. Step 3: Cross multiply
    497,020.01x = 745,749.50 × 385,667.69
  4. Step 4: Simplify right side
    497,020.01x = 287,611,486,983.66
  5. Step 5: Solve for x
    x = 287,611,486,983.66/497,020.01
  6. Step 6: Final answer
    x = 578,671.85

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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.