Home / 1,187,211.28-1,781,024.28-522,346

Finding the Fourth Proportional to 1,187,211.28, 1,781,024.28 and 522,346

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Solution

The fourth proportional to 1,187,211.28, 1,781,024.28 and 522,346 is: 783,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,211.28 : 1,781,024.28 = 522,346 : x
  2. Step 2: Convert to fraction form
    1,187,211.28/1,781,024.28 = 522,346/x
  3. Step 3: Cross multiply
    1,187,211.28x = 1,781,024.28 × 522,346
  4. Step 4: Simplify right side
    1,187,211.28x = 930,310,908,560.88
  5. Step 5: Solve for x
    x = 930,310,908,560.88/1,187,211.28
  6. Step 6: Final answer
    x = 783,610.23

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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.