Home / 1,265,808.68-1,897,378.14-866,342.60

Finding the Fourth Proportional to 1,265,808.68, 1,897,378.14 and 866,342.60

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Solution

The fourth proportional to 1,265,808.68, 1,897,378.14 and 866,342.60 is: 1,298,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,808.68 : 1,897,378.14 = 866,342.60 : x
  2. Step 2: Convert to fraction form
    1,265,808.68/1,897,378.14 = 866,342.60/x
  3. Step 3: Cross multiply
    1,265,808.68x = 1,897,378.14 × 866,342.60
  4. Step 4: Simplify right side
    1,265,808.68x = 1,643,779,510,990.76
  5. Step 5: Solve for x
    x = 1,643,779,510,990.76/1,265,808.68
  6. Step 6: Final answer
    x = 1,298,600.28

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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.