Home / 1,216,427.40-1,825,391.49-617,818.14

Finding the Fourth Proportional to 1,216,427.40, 1,825,391.49 and 617,818.14

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Solution

The fourth proportional to 1,216,427.40, 1,825,391.49 and 617,818.14 is: 927,108.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,427.40 : 1,825,391.49 = 617,818.14 : x
  2. Step 2: Convert to fraction form
    1,216,427.40/1,825,391.49 = 617,818.14/x
  3. Step 3: Cross multiply
    1,216,427.40x = 1,825,391.49 × 617,818.14
  4. Step 4: Simplify right side
    1,216,427.40x = 1,127,759,975,123.63
  5. Step 5: Solve for x
    x = 1,127,759,975,123.63/1,216,427.40
  6. Step 6: Final answer
    x = 927,108.33

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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.