Home / 1,216,425.39-1,825,388.48-617,816.15

Finding the Fourth Proportional to 1,216,425.39, 1,825,388.48 and 617,816.15

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Solution

The fourth proportional to 1,216,425.39, 1,825,388.48 and 617,816.15 is: 927,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,425.39 : 1,825,388.48 = 617,816.15 : x
  2. Step 2: Convert to fraction form
    1,216,425.39/1,825,388.48 = 617,816.15/x
  3. Step 3: Cross multiply
    1,216,425.39x = 1,825,388.48 × 617,816.15
  4. Step 4: Simplify right side
    1,216,425.39x = 1,127,754,482,967.95
  5. Step 5: Solve for x
    x = 1,127,754,482,967.95/1,216,425.39
  6. Step 6: Final answer
    x = 927,105.35

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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.