Home / 1,212,579.30-1,818,368.51-413,925.24

Finding the Fourth Proportional to 1,212,579.30, 1,818,368.51 and 413,925.24

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Solution

The fourth proportional to 1,212,579.30, 1,818,368.51 and 413,925.24 is: 620,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,579.30 : 1,818,368.51 = 413,925.24 : x
  2. Step 2: Convert to fraction form
    1,212,579.30/1,818,368.51 = 413,925.24/x
  3. Step 3: Cross multiply
    1,212,579.30x = 1,818,368.51 × 413,925.24
  4. Step 4: Simplify right side
    1,212,579.30x = 752,668,619,840.57
  5. Step 5: Solve for x
    x = 752,668,619,840.57/1,212,579.30
  6. Step 6: Final answer
    x = 620,717.03

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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.