Home / 1,216,319.33-1,678,242.27-726,193.64

Finding the Fourth Proportional to 1,216,319.33, 1,678,242.27 and 726,193.64

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Solution

The fourth proportional to 1,216,319.33, 1,678,242.27 and 726,193.64 is: 1,001,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,319.33 : 1,678,242.27 = 726,193.64 : x
  2. Step 2: Convert to fraction form
    1,216,319.33/1,678,242.27 = 726,193.64/x
  3. Step 3: Cross multiply
    1,216,319.33x = 1,678,242.27 × 726,193.64
  4. Step 4: Simplify right side
    1,216,319.33x = 1,218,728,854,461.95
  5. Step 5: Solve for x
    x = 1,218,728,854,461.95/1,216,319.33
  6. Step 6: Final answer
    x = 1,001,981.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.