Home / 1,383,566.40-1,908,595.40-1,125,731.60

Finding the Fourth Proportional to 1,383,566.40, 1,908,595.40 and 1,125,731.60

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Solution

The fourth proportional to 1,383,566.40, 1,908,595.40 and 1,125,731.60 is: 1,552,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,566.40 : 1,908,595.40 = 1,125,731.60 : x
  2. Step 2: Convert to fraction form
    1,383,566.40/1,908,595.40 = 1,125,731.60/x
  3. Step 3: Cross multiply
    1,383,566.40x = 1,908,595.40 × 1,125,731.60
  4. Step 4: Simplify right side
    1,383,566.40x = 2,148,566,153,394.64
  5. Step 5: Solve for x
    x = 2,148,566,153,394.64/1,383,566.40
  6. Step 6: Final answer
    x = 1,552,918.71

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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.