Home / 492,595.12-738,923.80-208,232.64

Finding the Fourth Proportional to 492,595.12, 738,923.80 and 208,232.64

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Solution

The fourth proportional to 492,595.12, 738,923.80 and 208,232.64 is: 312,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,595.12 : 738,923.80 = 208,232.64 : x
  2. Step 2: Convert to fraction form
    492,595.12/738,923.80 = 208,232.64/x
  3. Step 3: Cross multiply
    492,595.12x = 738,923.80 × 208,232.64
  4. Step 4: Simplify right side
    492,595.12x = 153,868,053,632.83
  5. Step 5: Solve for x
    x = 153,868,053,632.83/492,595.12
  6. Step 6: Final answer
    x = 312,362.12

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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.