Home / 1,405,952.66-1,940,205.02-761,358.11

Finding the Fourth Proportional to 1,405,952.66, 1,940,205.02 and 761,358.11

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Solution

The fourth proportional to 1,405,952.66, 1,940,205.02 and 761,358.11 is: 1,050,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,952.66 : 1,940,205.02 = 761,358.11 : x
  2. Step 2: Convert to fraction form
    1,405,952.66/1,940,205.02 = 761,358.11/x
  3. Step 3: Cross multiply
    1,405,952.66x = 1,940,205.02 × 761,358.11
  4. Step 4: Simplify right side
    1,405,952.66x = 1,477,190,813,531.90
  5. Step 5: Solve for x
    x = 1,477,190,813,531.90/1,405,952.66
  6. Step 6: Final answer
    x = 1,050,668.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.