Home / 919,760.04-1,269,267.84-517,352.04

Finding the Fourth Proportional to 919,760.04, 1,269,267.84 and 517,352.04

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Solution

The fourth proportional to 919,760.04, 1,269,267.84 and 517,352.04 is: 713,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,760.04 : 1,269,267.84 = 517,352.04 : x
  2. Step 2: Convert to fraction form
    919,760.04/1,269,267.84 = 517,352.04/x
  3. Step 3: Cross multiply
    919,760.04x = 1,269,267.84 × 517,352.04
  4. Step 4: Simplify right side
    919,760.04x = 656,658,306,330.39
  5. Step 5: Solve for x
    x = 656,658,306,330.39/919,760.04
  6. Step 6: Final answer
    x = 713,945.24

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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.