Home / 714,353.74-1,071,251.34-258,836.77

Finding the Fourth Proportional to 714,353.74, 1,071,251.34 and 258,836.77

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Solution

The fourth proportional to 714,353.74, 1,071,251.34 and 258,836.77 is: 388,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,353.74 : 1,071,251.34 = 258,836.77 : x
  2. Step 2: Convert to fraction form
    714,353.74/1,071,251.34 = 258,836.77/x
  3. Step 3: Cross multiply
    714,353.74x = 1,071,251.34 × 258,836.77
  4. Step 4: Simplify right side
    714,353.74x = 277,279,236,703.77
  5. Step 5: Solve for x
    x = 277,279,236,703.77/714,353.74
  6. Step 6: Final answer
    x = 388,153.97

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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.