Home / 623,386.83-936,768.47-339,287.43

Finding the Fourth Proportional to 623,386.83, 936,768.47 and 339,287.43

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Solution

The fourth proportional to 623,386.83, 936,768.47 and 339,287.43 is: 509,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,386.83 : 936,768.47 = 339,287.43 : x
  2. Step 2: Convert to fraction form
    623,386.83/936,768.47 = 339,287.43/x
  3. Step 3: Cross multiply
    623,386.83x = 936,768.47 × 339,287.43
  4. Step 4: Simplify right side
    623,386.83x = 317,833,764,994.90
  5. Step 5: Solve for x
    x = 317,833,764,994.90/623,386.83
  6. Step 6: Final answer
    x = 509,849.98

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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.