Home / 623,329.06-936,681.89-339,229.66

Finding the Fourth Proportional to 623,329.06, 936,681.89 and 339,229.66

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Solution

The fourth proportional to 623,329.06, 936,681.89 and 339,229.66 is: 509,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,329.06 : 936,681.89 = 339,229.66 : x
  2. Step 2: Convert to fraction form
    623,329.06/936,681.89 = 339,229.66/x
  3. Step 3: Cross multiply
    623,329.06x = 936,681.89 × 339,229.66
  4. Step 4: Simplify right side
    623,329.06x = 317,750,274,389.45
  5. Step 5: Solve for x
    x = 317,750,274,389.45/623,329.06
  6. Step 6: Final answer
    x = 509,763.30

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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.