Home / 634,583.81-951,870.92-208,415.42

Finding the Fourth Proportional to 634,583.81, 951,870.92 and 208,415.42

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Solution

The fourth proportional to 634,583.81, 951,870.92 and 208,415.42 is: 312,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,583.81 : 951,870.92 = 208,415.42 : x
  2. Step 2: Convert to fraction form
    634,583.81/951,870.92 = 208,415.42/x
  3. Step 3: Cross multiply
    634,583.81x = 951,870.92 × 208,415.42
  4. Step 4: Simplify right side
    634,583.81x = 198,384,577,577.59
  5. Step 5: Solve for x
    x = 198,384,577,577.59/634,583.81
  6. Step 6: Final answer
    x = 312,621.56

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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.