Home / 1,488,078.28-2,054,536.98-1,143,300.04

Finding the Fourth Proportional to 1,488,078.28, 2,054,536.98 and 1,143,300.04

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Solution

The fourth proportional to 1,488,078.28, 2,054,536.98 and 1,143,300.04 is: 1,578,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,078.28 : 2,054,536.98 = 1,143,300.04 : x
  2. Step 2: Convert to fraction form
    1,488,078.28/2,054,536.98 = 1,143,300.04/x
  3. Step 3: Cross multiply
    1,488,078.28x = 2,054,536.98 × 1,143,300.04
  4. Step 4: Simplify right side
    1,488,078.28x = 2,348,952,211,415.48
  5. Step 5: Solve for x
    x = 2,348,952,211,415.48/1,488,078.28
  6. Step 6: Final answer
    x = 1,578,513.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.