Home / 1,218,452.90-1,827,886.77-611,530.56

Finding the Fourth Proportional to 1,218,452.90, 1,827,886.77 and 611,530.56

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Solution

The fourth proportional to 1,218,452.90, 1,827,886.77 and 611,530.56 is: 917,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,452.90 : 1,827,886.77 = 611,530.56 : x
  2. Step 2: Convert to fraction form
    1,218,452.90/1,827,886.77 = 611,530.56/x
  3. Step 3: Cross multiply
    1,218,452.90x = 1,827,886.77 × 611,530.56
  4. Step 4: Simplify right side
    1,218,452.90x = 1,117,808,620,074.69
  5. Step 5: Solve for x
    x = 1,117,808,620,074.69/1,218,452.90
  6. Step 6: Final answer
    x = 917,399.95

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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.