Home / 783,243.20-1,174,864.80-534,411.20

Finding the Fourth Proportional to 783,243.20, 1,174,864.80 and 534,411.20

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Solution

The fourth proportional to 783,243.20, 1,174,864.80 and 534,411.20 is: 801,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,243.20 : 1,174,864.80 = 534,411.20 : x
  2. Step 2: Convert to fraction form
    783,243.20/1,174,864.80 = 534,411.20/x
  3. Step 3: Cross multiply
    783,243.20x = 1,174,864.80 × 534,411.20
  4. Step 4: Simplify right side
    783,243.20x = 627,860,907,605.76
  5. Step 5: Solve for x
    x = 627,860,907,605.76/783,243.20
  6. Step 6: Final answer
    x = 801,616.80

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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.