Home / 1,265,909.28-1,897,551.72-791,505.24

Finding the Fourth Proportional to 1,265,909.28, 1,897,551.72 and 791,505.24

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Solution

The fourth proportional to 1,265,909.28, 1,897,551.72 and 791,505.24 is: 1,186,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,909.28 : 1,897,551.72 = 791,505.24 : x
  2. Step 2: Convert to fraction form
    1,265,909.28/1,897,551.72 = 791,505.24/x
  3. Step 3: Cross multiply
    1,265,909.28x = 1,897,551.72 × 791,505.24
  4. Step 4: Simplify right side
    1,265,909.28x = 1,501,922,129,551.01
  5. Step 5: Solve for x
    x = 1,501,922,129,551.01/1,265,909.28
  6. Step 6: Final answer
    x = 1,186,437.41

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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.