Home / 1,292,194.80-1,938,428.28-450,753.84

Finding the Fourth Proportional to 1,292,194.80, 1,938,428.28 and 450,753.84

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Solution

The fourth proportional to 1,292,194.80, 1,938,428.28 and 450,753.84 is: 676,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,194.80 : 1,938,428.28 = 450,753.84 : x
  2. Step 2: Convert to fraction form
    1,292,194.80/1,938,428.28 = 450,753.84/x
  3. Step 3: Cross multiply
    1,292,194.80x = 1,938,428.28 × 450,753.84
  4. Step 4: Simplify right side
    1,292,194.80x = 873,753,990,774.60
  5. Step 5: Solve for x
    x = 873,753,990,774.60/1,292,194.80
  6. Step 6: Final answer
    x = 676,178.23

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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.