Home / 628,073.55-942,088.35-178,796.91

Finding the Fourth Proportional to 628,073.55, 942,088.35 and 178,796.91

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Solution

The fourth proportional to 628,073.55, 942,088.35 and 178,796.91 is: 268,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,073.55 : 942,088.35 = 178,796.91 : x
  2. Step 2: Convert to fraction form
    628,073.55/942,088.35 = 178,796.91/x
  3. Step 3: Cross multiply
    628,073.55x = 942,088.35 × 178,796.91
  4. Step 4: Simplify right side
    628,073.55x = 168,442,485,927.00
  5. Step 5: Solve for x
    x = 168,442,485,927.00/628,073.55
  6. Step 6: Final answer
    x = 268,189.11

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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.