Home / 1,456,227.55-2,009,603.35-811,688.61

Finding the Fourth Proportional to 1,456,227.55, 2,009,603.35 and 811,688.61

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Solution

The fourth proportional to 1,456,227.55, 2,009,603.35 and 811,688.61 is: 1,120,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,227.55 : 2,009,603.35 = 811,688.61 : x
  2. Step 2: Convert to fraction form
    1,456,227.55/2,009,603.35 = 811,688.61/x
  3. Step 3: Cross multiply
    1,456,227.55x = 2,009,603.35 × 811,688.61
  4. Step 4: Simplify right side
    1,456,227.55x = 1,631,172,149,812.84
  5. Step 5: Solve for x
    x = 1,631,172,149,812.84/1,456,227.55
  6. Step 6: Final answer
    x = 1,120,135.48

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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.