Home / 1,265,065.50-1,897,600.07-517,111.50

Finding the Fourth Proportional to 1,265,065.50, 1,897,600.07 and 517,111.50

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Solution

The fourth proportional to 1,265,065.50, 1,897,600.07 and 517,111.50 is: 775,667.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,065.50 : 1,897,600.07 = 517,111.50 : x
  2. Step 2: Convert to fraction form
    1,265,065.50/1,897,600.07 = 517,111.50/x
  3. Step 3: Cross multiply
    1,265,065.50x = 1,897,600.07 × 517,111.50
  4. Step 4: Simplify right side
    1,265,065.50x = 981,270,819,890.58
  5. Step 5: Solve for x
    x = 981,270,819,890.58/1,265,065.50
  6. Step 6: Final answer
    x = 775,667.99

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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.