Home / 936,868.59-1,405,092.65-430,943.67

Finding the Fourth Proportional to 936,868.59, 1,405,092.65 and 430,943.67

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Solution

The fourth proportional to 936,868.59, 1,405,092.65 and 430,943.67 is: 646,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,868.59 : 1,405,092.65 = 430,943.67 : x
  2. Step 2: Convert to fraction form
    936,868.59/1,405,092.65 = 430,943.67/x
  3. Step 3: Cross multiply
    936,868.59x = 1,405,092.65 × 430,943.67
  4. Step 4: Simplify right side
    936,868.59x = 605,515,781,126.31
  5. Step 5: Solve for x
    x = 605,515,781,126.31/936,868.59
  6. Step 6: Final answer
    x = 646,318.80

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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.