Home / 1,265,243.60-1,897,865.40-517,114.64

Finding the Fourth Proportional to 1,265,243.60, 1,897,865.40 and 517,114.64

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Solution

The fourth proportional to 1,265,243.60, 1,897,865.40 and 517,114.64 is: 775,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,243.60 : 1,897,865.40 = 517,114.64 : x
  2. Step 2: Convert to fraction form
    1,265,243.60/1,897,865.40 = 517,114.64/x
  3. Step 3: Cross multiply
    1,265,243.60x = 1,897,865.40 × 517,114.64
  4. Step 4: Simplify right side
    1,265,243.60x = 981,413,983,089.46
  5. Step 5: Solve for x
    x = 981,413,983,089.46/1,265,243.60
  6. Step 6: Final answer
    x = 775,671.96

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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.