Home / 515,177.10-772,220.25-173,295.08

Finding the Fourth Proportional to 515,177.10, 772,220.25 and 173,295.08

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Solution

The fourth proportional to 515,177.10, 772,220.25 and 173,295.08 is: 259,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,177.10 : 772,220.25 = 173,295.08 : x
  2. Step 2: Convert to fraction form
    515,177.10/772,220.25 = 173,295.08/x
  3. Step 3: Cross multiply
    515,177.10x = 772,220.25 × 173,295.08
  4. Step 4: Simplify right side
    515,177.10x = 133,821,970,001.37
  5. Step 5: Solve for x
    x = 133,821,970,001.37/515,177.10
  6. Step 6: Final answer
    x = 259,759.16

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1.5x scale

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.