Home / 742,361.29-1,024,461.39-402,829.54

Finding the Fourth Proportional to 742,361.29, 1,024,461.39 and 402,829.54

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Solution

The fourth proportional to 742,361.29, 1,024,461.39 and 402,829.54 is: 555,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,361.29 : 1,024,461.39 = 402,829.54 : x
  2. Step 2: Convert to fraction form
    742,361.29/1,024,461.39 = 402,829.54/x
  3. Step 3: Cross multiply
    742,361.29x = 1,024,461.39 × 402,829.54
  4. Step 4: Simplify right side
    742,361.29x = 412,683,310,481.46
  5. Step 5: Solve for x
    x = 412,683,310,481.46/742,361.29
  6. Step 6: Final answer
    x = 555,906.29

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1.5x scale

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.