Home / 1,226,700.27-1,840,426.90-628,081.72

Finding the Fourth Proportional to 1,226,700.27, 1,840,426.90 and 628,081.72

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Solution

The fourth proportional to 1,226,700.27, 1,840,426.90 and 628,081.72 is: 942,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,700.27 : 1,840,426.90 = 628,081.72 : x
  2. Step 2: Convert to fraction form
    1,226,700.27/1,840,426.90 = 628,081.72/x
  3. Step 3: Cross multiply
    1,226,700.27x = 1,840,426.90 × 628,081.72
  4. Step 4: Simplify right side
    1,226,700.27x = 1,155,938,492,886.27
  5. Step 5: Solve for x
    x = 1,155,938,492,886.27/1,226,700.27
  6. Step 6: Final answer
    x = 942,315.35

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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.