Home / 1,265,065.25-1,897,599.70-517,111.25

Finding the Fourth Proportional to 1,265,065.25, 1,897,599.70 and 517,111.25

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Solution

The fourth proportional to 1,265,065.25, 1,897,599.70 and 517,111.25 is: 775,667.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,065.25 : 1,897,599.70 = 517,111.25 : x
  2. Step 2: Convert to fraction form
    1,265,065.25/1,897,599.70 = 517,111.25/x
  3. Step 3: Cross multiply
    1,265,065.25x = 1,897,599.70 × 517,111.25
  4. Step 4: Simplify right side
    1,265,065.25x = 981,270,152,866.63
  5. Step 5: Solve for x
    x = 981,270,152,866.63/1,265,065.25
  6. Step 6: Final answer
    x = 775,667.62

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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.