Home / 907,663.64-1,362,221.22-409,066.52

Finding the Fourth Proportional to 907,663.64, 1,362,221.22 and 409,066.52

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Solution

The fourth proportional to 907,663.64, 1,362,221.22 and 409,066.52 is: 613,926.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,663.64 : 1,362,221.22 = 409,066.52 : x
  2. Step 2: Convert to fraction form
    907,663.64/1,362,221.22 = 409,066.52/x
  3. Step 3: Cross multiply
    907,663.64x = 1,362,221.22 × 409,066.52
  4. Step 4: Simplify right side
    907,663.64x = 557,239,093,935.55
  5. Step 5: Solve for x
    x = 557,239,093,935.55/907,663.64
  6. Step 6: Final answer
    x = 613,926.87

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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.