Home / 1,343,955.48-2,014,919.46-811,349.88

Finding the Fourth Proportional to 1,343,955.48, 2,014,919.46 and 811,349.88

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Solution

The fourth proportional to 1,343,955.48, 2,014,919.46 and 811,349.88 is: 1,216,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,955.48 : 2,014,919.46 = 811,349.88 : x
  2. Step 2: Convert to fraction form
    1,343,955.48/2,014,919.46 = 811,349.88/x
  3. Step 3: Cross multiply
    1,343,955.48x = 2,014,919.46 × 811,349.88
  4. Step 4: Simplify right side
    1,343,955.48x = 1,634,804,662,080.66
  5. Step 5: Solve for x
    x = 1,634,804,662,080.66/1,343,955.48
  6. Step 6: Final answer
    x = 1,216,412.81

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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.