Home / 1,914,120.53-2,872,506.83-761,248.95

Finding the Fourth Proportional to 1,914,120.53, 2,872,506.83 and 761,248.95

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Solution

The fourth proportional to 1,914,120.53, 2,872,506.83 and 761,248.95 is: 1,142,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,120.53 : 2,872,506.83 = 761,248.95 : x
  2. Step 2: Convert to fraction form
    1,914,120.53/2,872,506.83 = 761,248.95/x
  3. Step 3: Cross multiply
    1,914,120.53x = 2,872,506.83 × 761,248.95
  4. Step 4: Simplify right side
    1,914,120.53x = 2,186,692,808,205.33
  5. Step 5: Solve for x
    x = 2,186,692,808,205.33/1,914,120.53
  6. Step 6: Final answer
    x = 1,142,400.79

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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.