Home / 1,187,201.28-1,781,009.28-522,336

Finding the Fourth Proportional to 1,187,201.28, 1,781,009.28 and 522,336

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Solution

The fourth proportional to 1,187,201.28, 1,781,009.28 and 522,336 is: 783,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,201.28 : 1,781,009.28 = 522,336 : x
  2. Step 2: Convert to fraction form
    1,187,201.28/1,781,009.28 = 522,336/x
  3. Step 3: Cross multiply
    1,187,201.28x = 1,781,009.28 × 522,336
  4. Step 4: Simplify right side
    1,187,201.28x = 930,285,263,278.08
  5. Step 5: Solve for x
    x = 930,285,263,278.08/1,187,201.28
  6. Step 6: Final answer
    x = 783,595.23

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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.