Home / 919,761.04-1,269,269.22-517,353.04

Finding the Fourth Proportional to 919,761.04, 1,269,269.22 and 517,353.04

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Solution

The fourth proportional to 919,761.04, 1,269,269.22 and 517,353.04 is: 713,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,761.04 : 1,269,269.22 = 517,353.04 : x
  2. Step 2: Convert to fraction form
    919,761.04/1,269,269.22 = 517,353.04/x
  3. Step 3: Cross multiply
    919,761.04x = 1,269,269.22 × 517,353.04
  4. Step 4: Simplify right side
    919,761.04x = 656,660,289,545.43
  5. Step 5: Solve for x
    x = 656,660,289,545.43/919,761.04
  6. Step 6: Final answer
    x = 713,946.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.