Home / 611,617.14-916,944.99-386,504.10

Finding the Fourth Proportional to 611,617.14, 916,944.99 and 386,504.10

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Solution

The fourth proportional to 611,617.14, 916,944.99 and 386,504.10 is: 579,452.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,617.14 : 916,944.99 = 386,504.10 : x
  2. Step 2: Convert to fraction form
    611,617.14/916,944.99 = 386,504.10/x
  3. Step 3: Cross multiply
    611,617.14x = 916,944.99 × 386,504.10
  4. Step 4: Simplify right side
    611,617.14x = 354,402,998,109.46
  5. Step 5: Solve for x
    x = 354,402,998,109.46/611,617.14
  6. Step 6: Final answer
    x = 579,452.36

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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.