Home / 1,557,516.42-2,336,264.10-838,196.64

Finding the Fourth Proportional to 1,557,516.42, 2,336,264.10 and 838,196.64

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Solution

The fourth proportional to 1,557,516.42, 2,336,264.10 and 838,196.64 is: 1,257,289.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,516.42 : 2,336,264.10 = 838,196.64 : x
  2. Step 2: Convert to fraction form
    1,557,516.42/2,336,264.10 = 838,196.64/x
  3. Step 3: Cross multiply
    1,557,516.42x = 2,336,264.10 × 838,196.64
  4. Step 4: Simplify right side
    1,557,516.42x = 1,958,248,718,772.62
  5. Step 5: Solve for x
    x = 1,958,248,718,772.62/1,557,516.42
  6. Step 6: Final answer
    x = 1,257,289.29

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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.