Home / 722,520.03-1,079,385.59-467,724.81

Finding the Fourth Proportional to 722,520.03, 1,079,385.59 and 467,724.81

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Solution

The fourth proportional to 722,520.03, 1,079,385.59 and 467,724.81 is: 698,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,520.03 : 1,079,385.59 = 467,724.81 : x
  2. Step 2: Convert to fraction form
    722,520.03/1,079,385.59 = 467,724.81/x
  3. Step 3: Cross multiply
    722,520.03x = 1,079,385.59 × 467,724.81
  4. Step 4: Simplify right side
    722,520.03x = 504,855,423,901.02
  5. Step 5: Solve for x
    x = 504,855,423,901.02/722,520.03
  6. Step 6: Final answer
    x = 698,742.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.