Home / 1,488,077.28-2,054,535.60-1,143,299.04

Finding the Fourth Proportional to 1,488,077.28, 2,054,535.60 and 1,143,299.04

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Solution

The fourth proportional to 1,488,077.28, 2,054,535.60 and 1,143,299.04 is: 1,578,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,077.28 : 2,054,535.60 = 1,143,299.04 : x
  2. Step 2: Convert to fraction form
    1,488,077.28/2,054,535.60 = 1,143,299.04/x
  3. Step 3: Cross multiply
    1,488,077.28x = 2,054,535.60 × 1,143,299.04
  4. Step 4: Simplify right side
    1,488,077.28x = 2,348,948,579,125.82
  5. Step 5: Solve for x
    x = 2,348,948,579,125.82/1,488,077.28
  6. Step 6: Final answer
    x = 1,578,512.49

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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.