Home / 771,100.92-1,156,928.10-344,601.03

Finding the Fourth Proportional to 771,100.92, 1,156,928.10 and 344,601.03

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Solution

The fourth proportional to 771,100.92, 1,156,928.10 and 344,601.03 is: 517,025.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,100.92 : 1,156,928.10 = 344,601.03 : x
  2. Step 2: Convert to fraction form
    771,100.92/1,156,928.10 = 344,601.03/x
  3. Step 3: Cross multiply
    771,100.92x = 1,156,928.10 × 344,601.03
  4. Step 4: Simplify right side
    771,100.92x = 398,678,614,895.94
  5. Step 5: Solve for x
    x = 398,678,614,895.94/771,100.92
  6. Step 6: Final answer
    x = 517,025.21

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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.