Home / 611,099-916,673.34-291,086.36

Finding the Fourth Proportional to 611,099, 916,673.34 and 291,086.36

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Solution

The fourth proportional to 611,099, 916,673.34 and 291,086.36 is: 436,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,099 : 916,673.34 = 291,086.36 : x
  2. Step 2: Convert to fraction form
    611,099/916,673.34 = 291,086.36/x
  3. Step 3: Cross multiply
    611,099x = 916,673.34 × 291,086.36
  4. Step 4: Simplify right side
    611,099x = 266,831,105,849.64
  5. Step 5: Solve for x
    x = 266,831,105,849.64/611,099
  6. Step 6: Final answer
    x = 436,641.37

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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.