Home / 731,296.41-1,009,186.19-409,005.21

Finding the Fourth Proportional to 731,296.41, 1,009,186.19 and 409,005.21

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Solution

The fourth proportional to 731,296.41, 1,009,186.19 and 409,005.21 is: 564,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,296.41 : 1,009,186.19 = 409,005.21 : x
  2. Step 2: Convert to fraction form
    731,296.41/1,009,186.19 = 409,005.21/x
  3. Step 3: Cross multiply
    731,296.41x = 1,009,186.19 × 409,005.21
  4. Step 4: Simplify right side
    731,296.41x = 412,762,407,525.02
  5. Step 5: Solve for x
    x = 412,762,407,525.02/731,296.41
  6. Step 6: Final answer
    x = 564,425.59

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1.5x scale

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.