Home / 1,470,216.40-2,205,324.60-628,853.20

Finding the Fourth Proportional to 1,470,216.40, 2,205,324.60 and 628,853.20

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Solution

The fourth proportional to 1,470,216.40, 2,205,324.60 and 628,853.20 is: 943,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,216.40 : 2,205,324.60 = 628,853.20 : x
  2. Step 2: Convert to fraction form
    1,470,216.40/2,205,324.60 = 628,853.20/x
  3. Step 3: Cross multiply
    1,470,216.40x = 2,205,324.60 × 628,853.20
  4. Step 4: Simplify right side
    1,470,216.40x = 1,386,825,431,748.72
  5. Step 5: Solve for x
    x = 1,386,825,431,748.72/1,470,216.40
  6. Step 6: Final answer
    x = 943,279.80

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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.