Home / 623,327.81-936,680.02-339,228.41

Finding the Fourth Proportional to 623,327.81, 936,680.02 and 339,228.41

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Solution

The fourth proportional to 623,327.81, 936,680.02 and 339,228.41 is: 509,761.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,327.81 : 936,680.02 = 339,228.41 : x
  2. Step 2: Convert to fraction form
    623,327.81/936,680.02 = 339,228.41/x
  3. Step 3: Cross multiply
    623,327.81x = 936,680.02 × 339,228.41
  4. Step 4: Simplify right side
    623,327.81x = 317,748,467,483.83
  5. Step 5: Solve for x
    x = 317,748,467,483.83/623,327.81
  6. Step 6: Final answer
    x = 509,761.42

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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.