Home / 492,795.20-738,646.05-193,176.20

Finding the Fourth Proportional to 492,795.20, 738,646.05 and 193,176.20

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Solution

The fourth proportional to 492,795.20, 738,646.05 and 193,176.20 is: 289,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,795.20 : 738,646.05 = 193,176.20 : x
  2. Step 2: Convert to fraction form
    492,795.20/738,646.05 = 193,176.20/x
  3. Step 3: Cross multiply
    492,795.20x = 738,646.05 × 193,176.20
  4. Step 4: Simplify right side
    492,795.20x = 142,688,837,084.01
  5. Step 5: Solve for x
    x = 142,688,837,084.01/492,795.20
  6. Step 6: Final answer
    x = 289,549.97

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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.