Home / 1,343,938.92-2,014,894.76-811,333.36

Finding the Fourth Proportional to 1,343,938.92, 2,014,894.76 and 811,333.36

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Solution

The fourth proportional to 1,343,938.92, 2,014,894.76 and 811,333.36 is: 1,216,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,938.92 : 2,014,894.76 = 811,333.36 : x
  2. Step 2: Convert to fraction form
    1,343,938.92/2,014,894.76 = 811,333.36/x
  3. Step 3: Cross multiply
    1,343,938.92x = 2,014,894.76 × 811,333.36
  4. Step 4: Simplify right side
    1,343,938.92x = 1,634,751,335,677.19
  5. Step 5: Solve for x
    x = 1,634,751,335,677.19/1,343,938.92
  6. Step 6: Final answer
    x = 1,216,388.12

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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.