Home / 1,294,153.40-1,941,230.10-916,239.80

Finding the Fourth Proportional to 1,294,153.40, 1,941,230.10 and 916,239.80

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Solution

The fourth proportional to 1,294,153.40, 1,941,230.10 and 916,239.80 is: 1,374,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,153.40 : 1,941,230.10 = 916,239.80 : x
  2. Step 2: Convert to fraction form
    1,294,153.40/1,941,230.10 = 916,239.80/x
  3. Step 3: Cross multiply
    1,294,153.40x = 1,941,230.10 × 916,239.80
  4. Step 4: Simplify right side
    1,294,153.40x = 1,778,632,278,577.98
  5. Step 5: Solve for x
    x = 1,778,632,278,577.98/1,294,153.40
  6. Step 6: Final answer
    x = 1,374,359.70

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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.