Home / 699,621.76-1,047,750.95-399,191.54

Finding the Fourth Proportional to 699,621.76, 1,047,750.95 and 399,191.54

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Solution

The fourth proportional to 699,621.76, 1,047,750.95 and 399,191.54 is: 597,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,621.76 : 1,047,750.95 = 399,191.54 : x
  2. Step 2: Convert to fraction form
    699,621.76/1,047,750.95 = 399,191.54/x
  3. Step 3: Cross multiply
    699,621.76x = 1,047,750.95 × 399,191.54
  4. Step 4: Simplify right side
    699,621.76x = 418,253,314,674.33
  5. Step 5: Solve for x
    x = 418,253,314,674.33/699,621.76
  6. Step 6: Final answer
    x = 597,827.77

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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.