Home / 1,445,256.09-1,991,241.72-954,353.88

Finding the Fourth Proportional to 1,445,256.09, 1,991,241.72 and 954,353.88

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Solution

The fourth proportional to 1,445,256.09, 1,991,241.72 and 954,353.88 is: 1,314,887.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,256.09 : 1,991,241.72 = 954,353.88 : x
  2. Step 2: Convert to fraction form
    1,445,256.09/1,991,241.72 = 954,353.88/x
  3. Step 3: Cross multiply
    1,445,256.09x = 1,991,241.72 × 954,353.88
  4. Step 4: Simplify right side
    1,445,256.09x = 1,900,349,261,499.87
  5. Step 5: Solve for x
    x = 1,900,349,261,499.87/1,445,256.09
  6. Step 6: Final answer
    x = 1,314,887.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.