Home / 542,928.03-749,330.61-301,288.22

Finding the Fourth Proportional to 542,928.03, 749,330.61 and 301,288.22

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Solution

The fourth proportional to 542,928.03, 749,330.61 and 301,288.22 is: 415,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,928.03 : 749,330.61 = 301,288.22 : x
  2. Step 2: Convert to fraction form
    542,928.03/749,330.61 = 301,288.22/x
  3. Step 3: Cross multiply
    542,928.03x = 749,330.61 × 301,288.22
  4. Step 4: Simplify right side
    542,928.03x = 225,764,485,678.41
  5. Step 5: Solve for x
    x = 225,764,485,678.41/542,928.03
  6. Step 6: Final answer
    x = 415,827.65

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1.5x scale

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.