Home / 1,456,227.05-2,009,602.66-811,688.11

Finding the Fourth Proportional to 1,456,227.05, 2,009,602.66 and 811,688.11

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Solution

The fourth proportional to 1,456,227.05, 2,009,602.66 and 811,688.11 is: 1,120,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,227.05 : 2,009,602.66 = 811,688.11 : x
  2. Step 2: Convert to fraction form
    1,456,227.05/2,009,602.66 = 811,688.11/x
  3. Step 3: Cross multiply
    1,456,227.05x = 2,009,602.66 × 811,688.11
  4. Step 4: Simplify right side
    1,456,227.05x = 1,631,170,587,941.16
  5. Step 5: Solve for x
    x = 1,631,170,587,941.16/1,456,227.05
  6. Step 6: Final answer
    x = 1,120,134.79

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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.