Home / 1,328,281.40-1,993,005.30-617,943.80

Finding the Fourth Proportional to 1,328,281.40, 1,993,005.30 and 617,943.80

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Solution

The fourth proportional to 1,328,281.40, 1,993,005.30 and 617,943.80 is: 927,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,281.40 : 1,993,005.30 = 617,943.80 : x
  2. Step 2: Convert to fraction form
    1,328,281.40/1,993,005.30 = 617,943.80/x
  3. Step 3: Cross multiply
    1,328,281.40x = 1,993,005.30 × 617,943.80
  4. Step 4: Simplify right side
    1,328,281.40x = 1,231,565,268,502.14
  5. Step 5: Solve for x
    x = 1,231,565,268,502.14/1,328,281.40
  6. Step 6: Final answer
    x = 927,187.02

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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.