Home / 1,296,217.40-1,941,701.70-734,595.80

Finding the Fourth Proportional to 1,296,217.40, 1,941,701.70 and 734,595.80

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Solution

The fourth proportional to 1,296,217.40, 1,941,701.70 and 734,595.80 is: 1,100,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,217.40 : 1,941,701.70 = 734,595.80 : x
  2. Step 2: Convert to fraction form
    1,296,217.40/1,941,701.70 = 734,595.80/x
  3. Step 3: Cross multiply
    1,296,217.40x = 1,941,701.70 × 734,595.80
  4. Step 4: Simplify right side
    1,296,217.40x = 1,426,365,913,672.86
  5. Step 5: Solve for x
    x = 1,426,365,913,672.86/1,296,217.40
  6. Step 6: Final answer
    x = 1,100,406.39

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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.