Home / 731,269.05-1,009,202.40-409,008.93

Finding the Fourth Proportional to 731,269.05, 1,009,202.40 and 409,008.93

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Solution

The fourth proportional to 731,269.05, 1,009,202.40 and 409,008.93 is: 564,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,269.05 : 1,009,202.40 = 409,008.93 : x
  2. Step 2: Convert to fraction form
    731,269.05/1,009,202.40 = 409,008.93/x
  3. Step 3: Cross multiply
    731,269.05x = 1,009,202.40 × 409,008.93
  4. Step 4: Simplify right side
    731,269.05x = 412,772,793,777.43
  5. Step 5: Solve for x
    x = 412,772,793,777.43/731,269.05
  6. Step 6: Final answer
    x = 564,460.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.