Home / 1,218,005.76-1,826,178.25-617,809.58

Finding the Fourth Proportional to 1,218,005.76, 1,826,178.25 and 617,809.58

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Solution

The fourth proportional to 1,218,005.76, 1,826,178.25 and 617,809.58 is: 926,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,005.76 : 1,826,178.25 = 617,809.58 : x
  2. Step 2: Convert to fraction form
    1,218,005.76/1,826,178.25 = 617,809.58/x
  3. Step 3: Cross multiply
    1,218,005.76x = 1,826,178.25 × 617,809.58
  4. Step 4: Simplify right side
    1,218,005.76x = 1,128,230,417,637.64
  5. Step 5: Solve for x
    x = 1,128,230,417,637.64/1,218,005.76
  6. Step 6: Final answer
    x = 926,293.17

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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.