Home / 923,961.09-1,385,700.93-391,207.89

Finding the Fourth Proportional to 923,961.09, 1,385,700.93 and 391,207.89

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Solution

The fourth proportional to 923,961.09, 1,385,700.93 and 391,207.89 is: 586,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,961.09 : 1,385,700.93 = 391,207.89 : x
  2. Step 2: Convert to fraction form
    923,961.09/1,385,700.93 = 391,207.89/x
  3. Step 3: Cross multiply
    923,961.09x = 1,385,700.93 × 391,207.89
  4. Step 4: Simplify right side
    923,961.09x = 542,097,136,996.34
  5. Step 5: Solve for x
    x = 542,097,136,996.34/923,961.09
  6. Step 6: Final answer
    x = 586,709.92

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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.