Home / 578,068.20-865,061.10-504,001.80

Finding the Fourth Proportional to 578,068.20, 865,061.10 and 504,001.80

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Solution

The fourth proportional to 578,068.20, 865,061.10 and 504,001.80 is: 754,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,068.20 : 865,061.10 = 504,001.80 : x
  2. Step 2: Convert to fraction form
    578,068.20/865,061.10 = 504,001.80/x
  3. Step 3: Cross multiply
    578,068.20x = 865,061.10 × 504,001.80
  4. Step 4: Simplify right side
    578,068.20x = 435,992,351,509.98
  5. Step 5: Solve for x
    x = 435,992,351,509.98/578,068.20
  6. Step 6: Final answer
    x = 754,223.03

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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.