Home / 1,343,946.51-2,014,905.96-811,340.85

Finding the Fourth Proportional to 1,343,946.51, 2,014,905.96 and 811,340.85

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Solution

The fourth proportional to 1,343,946.51, 2,014,905.96 and 811,340.85 is: 1,216,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,946.51 : 2,014,905.96 = 811,340.85 : x
  2. Step 2: Convert to fraction form
    1,343,946.51/2,014,905.96 = 811,340.85/x
  3. Step 3: Cross multiply
    1,343,946.51x = 2,014,905.96 × 811,340.85
  4. Step 4: Simplify right side
    1,343,946.51x = 1,634,775,514,256.47
  5. Step 5: Solve for x
    x = 1,634,775,514,256.47/1,343,946.51
  6. Step 6: Final answer
    x = 1,216,399.24

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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.