Home / 515,572.02-773,257.86-259,336.35

Finding the Fourth Proportional to 515,572.02, 773,257.86 and 259,336.35

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Solution

The fourth proportional to 515,572.02, 773,257.86 and 259,336.35 is: 388,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,572.02 : 773,257.86 = 259,336.35 : x
  2. Step 2: Convert to fraction form
    515,572.02/773,257.86 = 259,336.35/x
  3. Step 3: Cross multiply
    515,572.02x = 773,257.86 × 259,336.35
  4. Step 4: Simplify right side
    515,572.02x = 200,533,871,021.21
  5. Step 5: Solve for x
    x = 200,533,871,021.21/515,572.02
  6. Step 6: Final answer
    x = 388,954.14

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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.