Home / 610,513.12-842,452.45-338,580.18

Finding the Fourth Proportional to 610,513.12, 842,452.45 and 338,580.18

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Solution

The fourth proportional to 610,513.12, 842,452.45 and 338,580.18 is: 467,209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,513.12 : 842,452.45 = 338,580.18 : x
  2. Step 2: Convert to fraction form
    610,513.12/842,452.45 = 338,580.18/x
  3. Step 3: Cross multiply
    610,513.12x = 842,452.45 × 338,580.18
  4. Step 4: Simplify right side
    610,513.12x = 285,237,698,946.59
  5. Step 5: Solve for x
    x = 285,237,698,946.59/610,513.12
  6. Step 6: Final answer
    x = 467,209.77

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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.