Home / 1,557,480.87-2,336,357.39-435,553.11

Finding the Fourth Proportional to 1,557,480.87, 2,336,357.39 and 435,553.11

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Solution

The fourth proportional to 1,557,480.87, 2,336,357.39 and 435,553.11 is: 653,367.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,480.87 : 2,336,357.39 = 435,553.11 : x
  2. Step 2: Convert to fraction form
    1,557,480.87/2,336,357.39 = 435,553.11/x
  3. Step 3: Cross multiply
    1,557,480.87x = 2,336,357.39 × 435,553.11
  4. Step 4: Simplify right side
    1,557,480.87x = 1,017,607,725,108.22
  5. Step 5: Solve for x
    x = 1,017,607,725,108.22/1,557,480.87
  6. Step 6: Final answer
    x = 653,367.72

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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.