Home / 930,657.24-1,395,930.42-331,586.64

Finding the Fourth Proportional to 930,657.24, 1,395,930.42 and 331,586.64

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Solution

The fourth proportional to 930,657.24, 1,395,930.42 and 331,586.64 is: 497,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,657.24 : 1,395,930.42 = 331,586.64 : x
  2. Step 2: Convert to fraction form
    930,657.24/1,395,930.42 = 331,586.64/x
  3. Step 3: Cross multiply
    930,657.24x = 1,395,930.42 × 331,586.64
  4. Step 4: Simplify right side
    930,657.24x = 462,871,877,641.59
  5. Step 5: Solve for x
    x = 462,871,877,641.59/930,657.24
  6. Step 6: Final answer
    x = 497,360.21

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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.