Home / 1,253,200.19-1,878,116.47-683,727.95

Finding the Fourth Proportional to 1,253,200.19, 1,878,116.47 and 683,727.95

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Solution

The fourth proportional to 1,253,200.19, 1,878,116.47 and 683,727.95 is: 1,024,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,200.19 : 1,878,116.47 = 683,727.95 : x
  2. Step 2: Convert to fraction form
    1,253,200.19/1,878,116.47 = 683,727.95/x
  3. Step 3: Cross multiply
    1,253,200.19x = 1,878,116.47 × 683,727.95
  4. Step 4: Simplify right side
    1,253,200.19x = 1,284,120,712,794.43
  5. Step 5: Solve for x
    x = 1,284,120,712,794.43/1,253,200.19
  6. Step 6: Final answer
    x = 1,024,673.25

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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.