Home / 1,408,451.83-2,112,699.65-343,514.05

Finding the Fourth Proportional to 1,408,451.83, 2,112,699.65 and 343,514.05

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Solution

The fourth proportional to 1,408,451.83, 2,112,699.65 and 343,514.05 is: 515,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,451.83 : 2,112,699.65 = 343,514.05 : x
  2. Step 2: Convert to fraction form
    1,408,451.83/2,112,699.65 = 343,514.05/x
  3. Step 3: Cross multiply
    1,408,451.83x = 2,112,699.65 × 343,514.05
  4. Step 4: Simplify right side
    1,408,451.83x = 725,742,006,205.76
  5. Step 5: Solve for x
    x = 725,742,006,205.76/1,408,451.83
  6. Step 6: Final answer
    x = 515,276.41

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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.