Home / 611,196.86-916,982.99-291,756.35

Finding the Fourth Proportional to 611,196.86, 916,982.99 and 291,756.35

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Solution

The fourth proportional to 611,196.86, 916,982.99 and 291,756.35 is: 437,724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,196.86 : 916,982.99 = 291,756.35 : x
  2. Step 2: Convert to fraction form
    611,196.86/916,982.99 = 291,756.35/x
  3. Step 3: Cross multiply
    611,196.86x = 916,982.99 × 291,756.35
  4. Step 4: Simplify right side
    611,196.86x = 267,535,610,174.49
  5. Step 5: Solve for x
    x = 267,535,610,174.49/611,196.86
  6. Step 6: Final answer
    x = 437,724.12

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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.