Home / 1,116,542.78-1,674,980.24-517,564.49

Finding the Fourth Proportional to 1,116,542.78, 1,674,980.24 and 517,564.49

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Solution

The fourth proportional to 1,116,542.78, 1,674,980.24 and 517,564.49 is: 776,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,542.78 : 1,674,980.24 = 517,564.49 : x
  2. Step 2: Convert to fraction form
    1,116,542.78/1,674,980.24 = 517,564.49/x
  3. Step 3: Cross multiply
    1,116,542.78x = 1,674,980.24 × 517,564.49
  4. Step 4: Simplify right side
    1,116,542.78x = 866,910,287,079.90
  5. Step 5: Solve for x
    x = 866,910,287,079.90/1,116,542.78
  6. Step 6: Final answer
    x = 776,423.71

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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.