Home / 939,318.70-1,407,823.33-433,177.03

Finding the Fourth Proportional to 939,318.70, 1,407,823.33 and 433,177.03

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Solution

The fourth proportional to 939,318.70, 1,407,823.33 and 433,177.03 is: 649,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,318.70 : 1,407,823.33 = 433,177.03 : x
  2. Step 2: Convert to fraction form
    939,318.70/1,407,823.33 = 433,177.03/x
  3. Step 3: Cross multiply
    939,318.70x = 1,407,823.33 × 433,177.03
  4. Step 4: Simplify right side
    939,318.70x = 609,836,728,854.11
  5. Step 5: Solve for x
    x = 609,836,728,854.11/939,318.70
  6. Step 6: Final answer
    x = 649,233.03

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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.