Home / 1,418,649.60-2,129,529.60-886,771.20

Finding the Fourth Proportional to 1,418,649.60, 2,129,529.60 and 886,771.20

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Solution

The fourth proportional to 1,418,649.60, 2,129,529.60 and 886,771.20 is: 1,331,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,649.60 : 2,129,529.60 = 886,771.20 : x
  2. Step 2: Convert to fraction form
    1,418,649.60/2,129,529.60 = 886,771.20/x
  3. Step 3: Cross multiply
    1,418,649.60x = 2,129,529.60 × 886,771.20
  4. Step 4: Simplify right side
    1,418,649.60x = 1,888,405,518,827.52
  5. Step 5: Solve for x
    x = 1,888,405,518,827.52/1,418,649.60
  6. Step 6: Final answer
    x = 1,331,128.93

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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.