Home / 942,913.22-1,301,220.24-513,196.46

Finding the Fourth Proportional to 942,913.22, 1,301,220.24 and 513,196.46

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Solution

The fourth proportional to 942,913.22, 1,301,220.24 and 513,196.46 is: 708,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,913.22 : 1,301,220.24 = 513,196.46 : x
  2. Step 2: Convert to fraction form
    942,913.22/1,301,220.24 = 513,196.46/x
  3. Step 3: Cross multiply
    942,913.22x = 1,301,220.24 × 513,196.46
  4. Step 4: Simplify right side
    942,913.22x = 667,781,620,848.35
  5. Step 5: Solve for x
    x = 667,781,620,848.35/942,913.22
  6. Step 6: Final answer
    x = 708,211.11

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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.