Home / 634,735.98-875,936.79-348,258.15

Finding the Fourth Proportional to 634,735.98, 875,936.79 and 348,258.15

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Solution

The fourth proportional to 634,735.98, 875,936.79 and 348,258.15 is: 480,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,735.98 : 875,936.79 = 348,258.15 : x
  2. Step 2: Convert to fraction form
    634,735.98/875,936.79 = 348,258.15/x
  3. Step 3: Cross multiply
    634,735.98x = 875,936.79 × 348,258.15
  4. Step 4: Simplify right side
    634,735.98x = 305,052,126,002.34
  5. Step 5: Solve for x
    x = 305,052,126,002.34/634,735.98
  6. Step 6: Final answer
    x = 480,596.87

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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.