Home / 427,746.49-590,228.37-236,759.42

Finding the Fourth Proportional to 427,746.49, 590,228.37 and 236,759.42

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Solution

The fourth proportional to 427,746.49, 590,228.37 and 236,759.42 is: 326,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,746.49 : 590,228.37 = 236,759.42 : x
  2. Step 2: Convert to fraction form
    427,746.49/590,228.37 = 236,759.42/x
  3. Step 3: Cross multiply
    427,746.49x = 590,228.37 × 236,759.42
  4. Step 4: Simplify right side
    427,746.49x = 139,742,128,024.32
  5. Step 5: Solve for x
    x = 139,742,128,024.32/427,746.49
  6. Step 6: Final answer
    x = 326,693.81

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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.