Home / 731,516.01-1,009,493.58-409,231.50

Finding the Fourth Proportional to 731,516.01, 1,009,493.58 and 409,231.50

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Solution

The fourth proportional to 731,516.01, 1,009,493.58 and 409,231.50 is: 564,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,516.01 : 1,009,493.58 = 409,231.50 : x
  2. Step 2: Convert to fraction form
    731,516.01/1,009,493.58 = 409,231.50/x
  3. Step 3: Cross multiply
    731,516.01x = 1,009,493.58 × 409,231.50
  4. Step 4: Simplify right side
    731,516.01x = 413,116,571,983.77
  5. Step 5: Solve for x
    x = 413,116,571,983.77/731,516.01
  6. Step 6: Final answer
    x = 564,740.30

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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.